56217870592 has 36 divisors (see below), whose sum is σ = 120848158060. Its totient is φ = 25946707968.

The previous prime is 56217870587. The next prime is 56217870623. The reversal of 56217870592 is 29507871265.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38705053696 + 17512816896 = 196736^2 + 132336^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8442867 + ... + 8449522.

Almost surely, 2^56217870592 is an apocalyptic number.

56217870592 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56217870592 is an abundant number, since it is smaller than the sum of its proper divisors (64630287468).

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

56217870592 is a wasteful number, since it uses less digits than its factorization.

56217870592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16892418 (or 16892404 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 52.

The spelling of 56217870592 in words is "fifty-six billion, two hundred seventeen million, eight hundred seventy thousand, five hundred ninety-two".