56555044 has 24 divisors (see below), whose sum is σ = 121811648. Its totient is φ = 22373280.

The previous prime is 56555033. The next prime is 56555047. The reversal of 56555044 is 44055565.

It is not an unprimeable number, because it can be changed into a prime (56555047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77322 + ... + 78049.

Almost surely, 2^56555044 is an apocalyptic number.

It is an amenable number.

56555044 is an abundant number, since it is smaller than the sum of its proper divisors (65256604).

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

56555044 is a wasteful number, since it uses less digits than its factorization.

56555044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155395 (or 155393 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 56555044 is about 7520.3087702567. The cubic root of 56555044 is about 383.8460845106.

The spelling of 56555044 in words is "fifty-six million, five hundred fifty-five thousand, forty-four".