56327537640 has 96 divisors (see below), whose sum is σ = 185741267040. Its totient is φ = 13655157120.

The previous prime is 56327537627. The next prime is 56327537659. The reversal of 56327537640 is 4673572365.

It is a self number, because there is not a number n which added to its sum of digits gives 56327537640.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1925134 + ... + 1954173.

It is an arithmetic number, because the mean of its divisors is an integer number (1934804865).

Almost surely, 2^56327537640 is an apocalyptic number.

It is an amenable number.

56327537640 is an abundant number, since it is smaller than the sum of its proper divisors (129413729400).

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

56327537640 is a wasteful number, since it uses less digits than its factorization.

56327537640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879343 (or 3879328 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 48.

The spelling of 56327537640 in words is "fifty-six billion, three hundred twenty-seven million, five hundred thirty-seven thousand, six hundred forty".