number.wiki
Number

55,109

55,109 is a prime, odd.

Deficient Number Prime Sexy Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
20
Digital root
2
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
55,110

Primality

55,109 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 55109
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 55,109)
1 × 55109
First multiples
55,109 · 110,218 · 165,327 · 220,436 · 275,545 · 330,654 · 385,763 · 440,872 · 495,981 · 551,090

Representations

In words
fifty-five thousand one hundred nine
Ordinal
55109th
Binary
1101011101000101
Octal
153505
Hexadecimal
D745

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 55,103 (gap of 6)
  • Next prime: 55,117 (gap of 8)

Pair status: sexy with 55103.

Unicode codepoint
U+D745
Other letter (Lo)

UTF-8 encoding: ED 9D 85 (3 bytes).

Hex color
#00D745
RGB(0, 215, 69)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.215.69.