57207868 has 6 divisors (see below), whose sum is σ = 100113776. Its totient is φ = 28603932.

The previous prime is 57207853. The next prime is 57207869. The reversal of 57207868 is 86870275.

It is a happy number.

It is a super-2 number, since 2×57207868² = 6545480322210848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57207869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7150980 + ... + 7150987.

Almost surely, 2^57207868 is an apocalyptic number.

It is an amenable number.

57207868 is a deficient number, since it is larger than the sum of its proper divisors (42905908).

57207868 is a wasteful number, since it uses less digits than its factorization.

57207868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14301971 (or 14301969 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 57207868 is about 7563.5883018578. The cubic root of 57207868 is about 385.3173702860.

The spelling of 57207868 in words is "fifty-seven million, two hundred seven thousand, eight hundred sixty-eight".