56057148172 has 12 divisors (see below), whose sum is σ = 98134535016. Its totient is φ = 28018709600.

The previous prime is 56057148163. The next prime is 56057148209. The reversal of 56057148172 is 27184175065.

It is a super-2 number, since 2×56057148172² (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, 2453329 + ... + 2476072.

It is an arithmetic number, because the mean of its divisors is an integer number (8177877918).

Almost surely, 2^56057148172 is an apocalyptic number.

It is an amenable number.

56057148172 is a deficient number, since it is larger than the sum of its proper divisors (42077386844).

56057148172 is a wasteful number, since it uses less digits than its factorization.

56057148172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932248 (or 4932246 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 56057148172 in words is "fifty-six billion, fifty-seven million, one hundred forty-eight thousand, one hundred seventy-two".