55579056 has 40 divisors (see below), whose sum is σ = 154625520. Its totient is φ = 17101056.

The previous prime is 55579039. The next prime is 55579087. The reversal of 55579056 is 65097555.

It is a super-2 number, since 2×55579056² = 6178062931702272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55578999 and 55579017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43911 + ... + 45158.

It is an arithmetic number, because the mean of its divisors is an integer number (3865638).

Almost surely, 2^55579056 is an apocalyptic number.

It is an amenable number.

55579056 is an abundant number, since it is smaller than the sum of its proper divisors (99046464).

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

55579056 is a wasteful number, since it uses less digits than its factorization.

55579056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89093 (or 89087 counting only the distinct ones).

The product of its (nonzero) digits is 236250, while the sum is 42.

The square root of 55579056 is about 7455.1362160594. The cubic root of 55579056 is about 381.6252091868.

The spelling of 55579056 in words is "fifty-five million, five hundred seventy-nine thousand, fifty-six".