56956518404 has 24 divisors (see below), whose sum is σ = 103767729240. Its totient is φ = 27321106176.

The previous prime is 56956518401. The next prime is 56956518439. The reversal of 56956518404 is 40481565965.

It can be written as a sum of positive squares in 4 ways, for example, as 8789437504 + 48167080900 = 93752^2 + 219470^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (56956518401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545497 + ... + 1581920.

It is an arithmetic number, because the mean of its divisors is an integer number (4323655385).

Almost surely, 2^56956518404 is an apocalyptic number.

It is an amenable number.

56956518404 is a deficient number, since it is larger than the sum of its proper divisors (46811210836).

56956518404 is a wasteful number, since it uses less digits than its factorization.

56956518404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127607 (or 3127605 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 53.

The spelling of 56956518404 in words is "fifty-six billion, nine hundred fifty-six million, five hundred eighteen thousand, four hundred four".