57257672 has 16 divisors (see below), whose sum is σ = 112026240. Its totient is φ = 27384016.

The previous prime is 57257657. The next prime is 57257677. The reversal of 57257672 is 27675275.

It is not an unprimeable number, because it can be changed into a prime (57257677) 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, 155408 + ... + 155775.

It is an arithmetic number, because the mean of its divisors is an integer number (7001640).

Almost surely, 2^57257672 is an apocalyptic number.

It is an amenable number.

57257672 is a deficient number, since it is larger than the sum of its proper divisors (54768568).

57257672 is a wasteful number, since it uses less digits than its factorization.

57257672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311212 (or 311208 counting only the distinct ones).

The product of its digits is 205800, while the sum is 41.

The square root of 57257672 is about 7566.8799382572. The cubic root of 57257672 is about 385.4291543276.

The spelling of 57257672 in words is "fifty-seven million, two hundred fifty-seven thousand, six hundred seventy-two".