57672520 has 32 divisors (see below), whose sum is σ = 130014720. Its totient is φ = 23024320.

The previous prime is 57672509. The next prime is 57672557. The reversal of 57672520 is 2527675.

It is a happy number.

It is a super-2 number, since 2×57672520² = 6652239126300800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26265 + ... + 28375.

It is an arithmetic number, because the mean of its divisors is an integer number (4062960).

Almost surely, 2^57672520 is an apocalyptic number.

It is an amenable number.

57672520 is an abundant number, since it is smaller than the sum of its proper divisors (72342200).

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

57672520 is a wasteful number, since it uses less digits than its factorization.

57672520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805 (or 2801 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 57672520 is about 7594.2425560420. The cubic root of 57672520 is about 386.3577629305.

The spelling of 57672520 in words is "fifty-seven million, six hundred seventy-two thousand, five hundred twenty".