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List of numbers Integers ←010k20k30k40k50k60k70k80k90k→
Cardinal	fifty thousand
Ordinal	50000th (fifty thousandth)
Factorization	24 × 55
Greek numeral	${\displaystyle \stackrel{ϵ}{\mathrm{M}}}$
Roman numeral	L,l
Unicode symbol	ↇ
Binary	11000011010100002
Ternary	21121202123
Senary	10232526
Octal	1415208
Duodecimal	24B2812
Hexadecimal	C35016

50,000 (fifty thousand) is the natural number that comes after 49,999 and before 50,001.

• 50069 = 1¹ + 2² + 3³ + 4⁴ + 5⁵ + 6^6[1]

• 50400 = 27thhighly composite number^[2]
• 50625 = 15⁴, smallest fourth power that can be expressed as the sum of only five distinct fourth powers, palindromic in base 14 (14641₁₄)
• 50653 = 37³, palindromic in base 6 (1030301₆)

• 51076 = 226², palindromic in base 15 (10201₁₅)
• 51641 =Markov number^[3]
• 51984 = 228² = 37³ + 11³, the smallest square to the sum of only five distinct fourth powers.

• 52488 = 3-smooth number
• 52633 =Carmichael number^[4]

• 53016 =pentagonal pyramidal number
• 53174 = number of partitions of 42^[5]
• 53361 = 231² sum of the cubes of the first 21 positive integers

• 54205 = Zeisel number^[6]
• 54688 = 2-automorphic number^[7]
• 54748 =narcissistic number^[8]
• 54872 = 38³, palindromic in base 9 (83238₉)
• 54901 =chiliagonal number^[9]

• 55296 = 3-smooth number
• 55440 = the 9thsuperior highly composite number;^[10] the 9thcolossally abundant number,^[11] the 28thhighly composite number.^[12]
• 55459 = one of five remainingSeventeen or Bust numbers in theSierpinski problem
• 55555 = repdigit
• 55860 =harmonic divisor number^[13]
• 55987 =repunit prime inbase 6

• 56011 =Wedderburn-Etherington number^[14]
• 56092 = the number of groups of order 256, see[1]
• 56169 = 237², palindromic in octal (15551₈)
• 56448 =pentagonal pyramidal number

• 57121 = 239², palindromic in base 14 (16B61₁₄)

• 58081 = 241², palindromic in base 15 (12321₁₅)
• 58367 = smallest integer that cannot be expressed as a sum of fewer than 1079 tenth powers
• 58786 =Catalan number^[15]
• 58921 = Friedman prime

• 59049 = 243² = 9⁵ = 3¹⁰
• 59051 = Friedman prime
• 59053 = Friedman prime
• 59081 = Zeisel number^[6]
• 59263 = Friedman prime
• 59273 = Friedman prime
• 59319 = 39³
• 59536 = 244², palindromic in base 11 (40804₁₁)

There are 924prime numbers between 50000 and 60000.

• Integers

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