number.wiki
Number

55,691

55,691 is a prime, odd.

Deficient Number Prime Sexy Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
26
Digital root
8
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
55,692

Primality

55,691 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 55691
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 55,691)
1 × 55691
First multiples
55,691 · 111,382 · 167,073 · 222,764 · 278,455 · 334,146 · 389,837 · 445,528 · 501,219 · 556,910

Representations

In words
fifty-five thousand six hundred ninety-one
Ordinal
55691st
Binary
1101100110001011
Octal
154613
Hexadecimal
D98B

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 55,681 (gap of 10)
  • Next prime: 55,697 (gap of 6)

Pair status: sexy with 55697.

Hex color
#00D98B
RGB(0, 217, 139)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.217.139.