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Number

55,901

55,901 is a prime, odd.

Cousin Prime Deficient Number Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
20
Digital root
2
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
55,902

Primality

55,901 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 55901
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 55,901)
1 × 55901
First multiples
55,901 · 111,802 · 167,703 · 223,604 · 279,505 · 335,406 · 391,307 · 447,208 · 503,109 · 559,010

Representations

In words
fifty-five thousand nine hundred one
Ordinal
55901st
Binary
1101101001011101
Octal
155135
Hexadecimal
DA5D

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 55,897 (gap of 4)
  • Next prime: 55,903 (gap of 2)

Pair status: twin with 55903, cousin with 55897.

Hex color
#00DA5D
RGB(0, 218, 93)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.218.93.