55165608 has 48 divisors (see below), whose sum is σ = 149940180. Its totient is φ = 18322944.

The previous prime is 55165601. The next prime is 55165613. The reversal of 55165608 is 80656155.

It can be written as a sum of positive squares in 2 ways, for example, as 55086084 + 79524 = 7422^2 + 282^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (55165601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21616 + ... + 24032.

Almost surely, 2^55165608 is an apocalyptic number.

It is an amenable number.

55165608 is an abundant number, since it is smaller than the sum of its proper divisors (94774572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55165608 is a wasteful number, since it uses less digits than its factorization.

55165608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746 (or 2739 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 55165608 is about 7427.3553839843. The cubic root of 55165608 is about 380.6765601891.

The spelling of 55165608 in words is "fifty-five million, one hundred sixty-five thousand, six hundred eight".