57397092 has 24 divisors (see below), whose sum is σ = 136454976. Its totient is φ = 18771168.

The previous prime is 57397057. The next prime is 57397097. The reversal of 57397092 is 29079375.

It is not an unprimeable number, because it can be changed into a prime (57397097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44488 + ... + 45759.

It is an arithmetic number, because the mean of its divisors is an integer number (5685624).

Almost surely, 2^57397092 is an apocalyptic number.

It is an amenable number.

57397092 is an abundant number, since it is smaller than the sum of its proper divisors (79057884).

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

57397092 is a wasteful number, since it uses less digits than its factorization.

57397092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90307 (or 90305 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 42.

The square root of 57397092 is about 7576.0868527228. The cubic root of 57397092 is about 385.7417352991.

The spelling of 57397092 in words is "fifty-seven million, three hundred ninety-seven thousand, ninety-two".