56231400544 has 24 divisors (see below), whose sum is σ = 120769713288. Its totient is φ = 25559727360.

The previous prime is 56231400529. The next prime is 56231400601. The reversal of 56231400544 is 44500413265.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79873797 + ... + 79874500.

It is an arithmetic number, because the mean of its divisors is an integer number (5032071387).

Almost surely, 2^56231400544 is an apocalyptic number.

It is an amenable number.

56231400544 is an abundant number, since it is smaller than the sum of its proper divisors (64538312744).

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

56231400544 is a wasteful number, since it uses less digits than its factorization.

56231400544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159748318 (or 159748310 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 56231400544 in words is "fifty-six billion, two hundred thirty-one million, four hundred thousand, five hundred forty-four".