56443120264 has 16 divisors (see below), whose sum is σ = 105851292300. Its totient is φ = 28216108992.

The previous prime is 56443120247. The next prime is 56443120273. The reversal of 56443120264 is 46202134465.

It can be written as a sum of positive squares in 2 ways, for example, as 53745148900 + 2697971364 = 231830^2 + 51942^2 .

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, 637219 + ... + 720370.

Almost surely, 2^56443120264 is an apocalyptic number.

It is an amenable number.

56443120264 is a deficient number, since it is larger than the sum of its proper divisors (49408172036).

56443120264 is a wasteful number, since it uses less digits than its factorization.

56443120264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362792 (or 1362788 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 56443120264 in words is "fifty-six billion, four hundred forty-three million, one hundred twenty thousand, two hundred sixty-four".