56388584 has 32 divisors (see below), whose sum is σ = 121158720. Its totient is φ = 24101376.

The previous prime is 56388581. The next prime is 56388593. The reversal of 56388584 is 48588365.

It is not an unprimeable number, because it can be changed into a prime (56388581) 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, 23672 + ... + 25944.

It is an arithmetic number, because the mean of its divisors is an integer number (3786210).

Almost surely, 2^56388584 is an apocalyptic number.

It is an amenable number.

56388584 is an abundant number, since it is smaller than the sum of its proper divisors (64770136).

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

56388584 is a wasteful number, since it uses less digits than its factorization.

56388584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729 (or 2725 counting only the distinct ones).

The product of its digits is 921600, while the sum is 47.

The square root of 56388584 is about 7509.2332498065. The cubic root of 56388584 is about 383.4691195493.

The spelling of 56388584 in words is "fifty-six million, three hundred eighty-eight thousand, five hundred eighty-four".