55655655 has 64 divisors (see below), whose sum is σ = 104993280. Its totient is φ = 24883200.

The previous prime is 55655647. The next prime is 55655687.

55655655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55655655 - 2³ = 55655647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128319 + ... + 128751.

It is an arithmetic number, because the mean of its divisors is an integer number (1640520).

Almost surely, 2^55655655 is an apocalyptic number.

55655655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55655655 is a deficient number, since it is larger than the sum of its proper divisors (49337625).

55655655 is a wasteful number, since it uses less digits than its factorization.

55655655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512.

The product of its digits is 562500, while the sum is 42.

The square root of 55655655 is about 7460.2717778912. The cubic root of 55655655 is about 381.8004472025.

The spelling of 55655655 in words is "fifty-five million, six hundred fifty-five thousand, six hundred fifty-five".