57697080 has 64 divisors (see below), whose sum is σ = 197821440. Its totient is φ = 13187712.

The previous prime is 57697067. The next prime is 57697111. The reversal of 57697080 is 8079675.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33504 + ... + 35183.

It is an arithmetic number, because the mean of its divisors is an integer number (3090960).

Almost surely, 2^57697080 is an apocalyptic number.

It is an amenable number.

57697080 is an abundant number, since it is smaller than the sum of its proper divisors (140124360).

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

57697080 is a wasteful number, since it uses less digits than its factorization.

57697080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68708 (or 68704 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 57697080 is about 7595.8593983828. The cubic root of 57697080 is about 386.4125989831.

The spelling of 57697080 in words is "fifty-seven million, six hundred ninety-seven thousand, eighty".