57918916 has 48 divisors (see below), whose sum is σ = 120456000. Its totient is φ = 24071040.

The previous prime is 57918911. The next prime is 57918923. The reversal of 57918916 is 61981975.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (57918911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23050 + ... + 25438.

It is an arithmetic number, because the mean of its divisors is an integer number (2509500).

Almost surely, 2^57918916 is an apocalyptic number.

It is an amenable number.

57918916 is an abundant number, since it is smaller than the sum of its proper divisors (62537084).

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

57918916 is a wasteful number, since it uses less digits than its factorization.

57918916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452 (or 2450 counting only the distinct ones).

The product of its digits is 136080, while the sum is 46.

The square root of 57918916 is about 7610.4478186241. The cubic root of 57918916 is about 386.9071970876.

The spelling of 57918916 in words is "fifty-seven million, nine hundred eighteen thousand, nine hundred sixteen".