56838564420 has 48 divisors (see below), whose sum is σ = 173615980608. Its totient is φ = 13779045760.

The previous prime is 56838564407. The next prime is 56838564427. The reversal of 56838564420 is 2446583865.

It is not an unprimeable number, because it can be changed into a prime (56838564427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43058859 + ... + 43060178.

It is an arithmetic number, because the mean of its divisors is an integer number (3616999596).

Almost surely, 2^56838564420 is an apocalyptic number.

It is an amenable number.

56838564420 is an abundant number, since it is smaller than the sum of its proper divisors (116777416188).

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

56838564420 is a wasteful number, since it uses less digits than its factorization.

56838564420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86119060 (or 86119058 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 51.

The spelling of 56838564420 in words is "fifty-six billion, eight hundred thirty-eight million, five hundred sixty-four thousand, four hundred twenty".