57012472 has 32 divisors (see below), whose sum is σ = 120384000. Its totient is φ = 25077600.

The previous prime is 57012443. The next prime is 57012481. The reversal of 57012472 is 27421075.

It is a self number, because there is not a number n which added to its sum of digits gives 57012472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7722 + ... + 13177.

It is an arithmetic number, because the mean of its divisors is an integer number (3762000).

Almost surely, 2^57012472 is an apocalyptic number.

It is an amenable number.

57012472 is an abundant number, since it is smaller than the sum of its proper divisors (63371528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57012472 is a wasteful number, since it uses less digits than its factorization.

57012472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20947 (or 20943 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 57012472 is about 7550.6603684711. The cubic root of 57012472 is about 384.8781803825.

The spelling of 57012472 in words is "fifty-seven million, twelve thousand, four hundred seventy-two".