57171056 has 20 divisors (see below), whose sum is σ = 113471904. Its totient is φ = 27888000.

The previous prime is 57171053. The next prime is 57171061. The reversal of 57171056 is 65017175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57171053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42920 + ... + 44231.

Almost surely, 2^57171056 is an apocalyptic number.

It is an amenable number.

57171056 is a deficient number, since it is larger than the sum of its proper divisors (56300848).

57171056 is a wasteful number, since it uses less digits than its factorization.

57171056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87200 (or 87194 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 57171056 is about 7561.1544092156. The cubic root of 57171056 is about 385.2347048121.

The spelling of 57171056 in words is "fifty-seven million, one hundred seventy-one thousand, fifty-six".