56657842592 has 24 divisors (see below), whose sum is σ = 120125522916. Its totient is φ = 26149773312.

The previous prime is 56657842567. The next prime is 56657842601. The reversal of 56657842592 is 29524875665.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49959402256 + 6698440336 = 223516^2 + 81844^2 .

It is a super-2 number, since 2×56657842592² (a number of 22 digits) contains 22 as substring.

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, 68097953 + ... + 68098784.

Almost surely, 2^56657842592 is an apocalyptic number.

56657842592 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56657842592 is an abundant number, since it is smaller than the sum of its proper divisors (63467680324).

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

56657842592 is a wasteful number, since it uses less digits than its factorization.

56657842592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136196760 (or 136196752 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 59.

The spelling of 56657842592 in words is "fifty-six billion, six hundred fifty-seven million, eight hundred forty-two thousand, five hundred ninety-two".