56837557172 has 36 divisors (see below), whose sum is σ = 115266377184. Its totient is φ = 24315527040.

The previous prime is 56837557157. The next prime is 56837557219. The reversal of 56837557172 is 27175573865.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2222168 + ... + 2247599.

Almost surely, 2^56837557172 is an apocalyptic number.

It is an amenable number.

56837557172 is an abundant number, since it is smaller than the sum of its proper divisors (58428820012).

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

56837557172 is a wasteful number, since it uses less digits than its factorization.

56837557172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469816 (or 4469797 counting only the distinct ones).

The product of its digits is 12348000, while the sum is 56.

The spelling of 56837557172 in words is "fifty-six billion, eight hundred thirty-seven million, five hundred fifty-seven thousand, one hundred seventy-two".