57116818 has 32 divisors (see below), whose sum is σ = 97666560. Its totient is φ = 24816000.

The previous prime is 57116809. The next prime is 57116833. The reversal of 57116818 is 81861175.

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, 60228 + ... + 61168.

It is an arithmetic number, because the mean of its divisors is an integer number (3052080).

Almost surely, 2^57116818 is an apocalyptic number.

57116818 is a deficient number, since it is larger than the sum of its proper divisors (40549742).

57116818 is a wasteful number, since it uses less digits than its factorization.

57116818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074.

The product of its digits is 13440, while the sum is 37.

The square root of 57116818 is about 7557.5669365213. The cubic root of 57116818 is about 385.1128426186.

The spelling of 57116818 in words is "fifty-seven million, one hundred sixteen thousand, eight hundred eighteen".