55695255 has 32 divisors (see below), whose sum is σ = 111103488. Its totient is φ = 23145600.

The previous prime is 55695253. The next prime is 55695287. The reversal of 55695255 is 55259655.

It is not a de Polignac number, because 55695255 - 2¹ = 55695253 is a prime.

It is a super-2 number, since 2×55695255² = 6203922859030050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55695253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22956 + ... + 25265.

It is an arithmetic number, because the mean of its divisors is an integer number (3471984).

Almost surely, 2^55695255 is an apocalyptic number.

55695255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55695255 is a deficient number, since it is larger than the sum of its proper divisors (55408233).

55695255 is a wasteful number, since it uses less digits than its factorization.

55695255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48247.

The product of its digits is 337500, while the sum is 42.

The square root of 55695255 is about 7462.9253647615. The cubic root of 55695255 is about 381.8909783638.

Subtracting from 55695255 its reverse (55259655), we obtain a square (435600 = 660²).

The spelling of 55695255 in words is "fifty-five million, six hundred ninety-five thousand, two hundred fifty-five".