57545916 has 24 divisors (see below), whose sum is σ = 136808784. Its totient is φ = 18819840.

The previous prime is 57545881. The next prime is 57545921. The reversal of 57545916 is 61954575.

It is a congruent number.

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, 44605 + ... + 45876.

It is an arithmetic number, because the mean of its divisors is an integer number (5700366).

Almost surely, 2^57545916 is an apocalyptic number.

It is an amenable number.

57545916 is an abundant number, since it is smaller than the sum of its proper divisors (79262868).

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

57545916 is a wasteful number, since it uses less digits than its factorization.

57545916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90541 (or 90539 counting only the distinct ones).

The product of its digits is 189000, while the sum is 42.

The square root of 57545916 is about 7585.9024512579. The cubic root of 57545916 is about 386.0748420835.

The spelling of 57545916 in words is "fifty-seven million, five hundred forty-five thousand, nine hundred sixteen".