57208972 has 12 divisors (see below), whose sum is σ = 101757376. Its totient is φ = 28135440.

The previous prime is 57208939. The next prime is 57208979. The reversal of 57208972 is 27980275.

It is not an unprimeable number, because it can be changed into a prime (57208979) 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, 116988 + ... + 117475.

Almost surely, 2^57208972 is an apocalyptic number.

It is an amenable number.

57208972 is a deficient number, since it is larger than the sum of its proper divisors (44548404).

57208972 is a wasteful number, since it uses less digits than its factorization.

57208972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234528 (or 234526 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 57208972 is about 7563.6612827387. The cubic root of 57208972 is about 385.3198488940.

The spelling of 57208972 in words is "fifty-seven million, two hundred eight thousand, nine hundred seventy-two".