57212572 has 12 divisors (see below), whose sum is σ = 105391720. Its totient is φ = 27100656.

The previous prime is 57212557. The next prime is 57212587. The reversal of 57212572 is 27521275.

It is an interprime number because it is at equal distance from previous prime (57212557) and next prime (57212587).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376323 + ... + 376474.

Almost surely, 2^57212572 is an apocalyptic number.

It is an amenable number.

57212572 is a deficient number, since it is larger than the sum of its proper divisors (48179148).

57212572 is a wasteful number, since it uses less digits than its factorization.

57212572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752820 (or 752818 counting only the distinct ones).

The product of its digits is 9800, while the sum is 31.

The square root of 57212572 is about 7563.8992589801. The cubic root of 57212572 is about 385.3279310899.

The spelling of 57212572 in words is "fifty-seven million, two hundred twelve thousand, five hundred seventy-two".