57709912 has 32 divisors (see below), whose sum is σ = 116862480. Its totient is φ = 26559360.

The previous prime is 57709909. The next prime is 57709957. The reversal of 57709912 is 21990775.

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, 53862 + ... + 54922.

Almost surely, 2^57709912 is an apocalyptic number.

57709912 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57709912 is an abundant number, since it is smaller than the sum of its proper divisors (59152568).

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

57709912 is a wasteful number, since it uses less digits than its factorization.

57709912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603 (or 1599 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 57709912 is about 7596.7040221401. The cubic root of 57709912 is about 386.4412432919.

The spelling of 57709912 in words is "fifty-seven million, seven hundred nine thousand, nine hundred twelve".