56040264431564 has 24 divisors (see below), whose sum is σ = 112080687323808. Its totient is φ = 24017222229120.

The previous prime is 56040264431549. The next prime is 56040264431579. The reversal of 56040264431564 is 46513446204065.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56040264431549) and next prime (56040264431579).

It is a super-2 number, since 2×56040264431564² (a number of 28 digits) contains 22 as substring.

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, 38416232 + ... + 39848304.

It is an arithmetic number, because the mean of its divisors is an integer number (4670028638492).

Almost surely, 2^{56040264431564} is an apocalyptic number.

It is an amenable number.

56040264431564 is an abundant number, since it is smaller than the sum of its proper divisors (56040422892244).

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

56040264431564 is a wasteful number, since it uses less digits than its factorization.

56040264431564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829665 (or 2829663 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 50.

The spelling of 56040264431564 in words is "fifty-six trillion, forty billion, two hundred sixty-four million, four hundred thirty-one thousand, five hundred sixty-four".