57699690 has 16 divisors (see below), whose sum is σ = 138479328. Its totient is φ = 15386576.

The previous prime is 57699671. The next prime is 57699701. The reversal of 57699690 is 9699675.

It is a super-2 number, since 2×57699690² = 6658508452192200, 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, 961632 + ... + 961691.

It is an arithmetic number, because the mean of its divisors is an integer number (8654958).

Almost surely, 2^57699690 is an apocalyptic number.

57699690 is an abundant number, since it is smaller than the sum of its proper divisors (80779638).

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

57699690 is a wasteful number, since it uses less digits than its factorization.

57699690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923333.

The product of its (nonzero) digits is 918540, while the sum is 51.

The square root of 57699690 is about 7596.0312005678. The cubic root of 57699690 is about 386.4184255152.

The spelling of 57699690 in words is "fifty-seven million, six hundred ninety-nine thousand, six hundred ninety".