57506712 has 16 divisors (see below), whose sum is σ = 143766840. Its totient is φ = 19168896.

The previous prime is 57506671. The next prime is 57506731. The reversal of 57506712 is 21760575.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1198033 + ... + 1198080.

Almost surely, 2^57506712 is an apocalyptic number.

It is an amenable number.

57506712 is an abundant number, since it is smaller than the sum of its proper divisors (86260128).

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

57506712 is a wasteful number, since it uses less digits than its factorization.

57506712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396122 (or 2396118 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 57506712 is about 7583.3180073105. The cubic root of 57506712 is about 385.9871491153.

The spelling of 57506712 in words is "fifty-seven million, five hundred six thousand, seven hundred twelve".