56133579664 has 10 divisors (see below), whose sum is σ = 108758810630. Its totient is φ = 28066789824.

The previous prime is 56133579653. The next prime is 56133579703. The reversal of 56133579664 is 46697533165.

It can be written as a sum of positive squares in only one way, i.e., 40197042064 + 15936537600 = 200492^2 + 126240^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1754174349 + ... + 1754174380.

It is an arithmetic number, because the mean of its divisors is an integer number (10875881063).

Almost surely, 2^56133579664 is an apocalyptic number.

It is an amenable number.

56133579664 is a deficient number, since it is larger than the sum of its proper divisors (52625230966).

56133579664 is a wasteful number, since it uses less digits than its factorization.

56133579664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508348737 (or 3508348731 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 55.

The spelling of 56133579664 in words is "fifty-six billion, one hundred thirty-three million, five hundred seventy-nine thousand, six hundred sixty-four".