57456657 has 12 divisors (see below), whose sum is σ = 83186064. Its totient is φ = 38215320.

The previous prime is 57456649. The next prime is 57456683. The reversal of 57456657 is 75665475.

It is not a de Polignac number, because 57456657 - 2³ = 57456649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57456647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3219 + ... + 11192.

It is an arithmetic number, because the mean of its divisors is an integer number (6932172).

Almost surely, 2^57456657 is an apocalyptic number.

It is an amenable number.

57456657 is a deficient number, since it is larger than the sum of its proper divisors (25729407).

57456657 is a wasteful number, since it uses less digits than its factorization.

57456657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14860 (or 14857 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 57456657 is about 7580.0169524876. The cubic root of 57456657 is about 385.8751262780.

The spelling of 57456657 in words is "fifty-seven million, four hundred fifty-six thousand, six hundred fifty-seven".