57038772 has 24 divisors (see below), whose sum is σ = 152103616. Its totient is φ = 16296768.

The previous prime is 57038771. The next prime is 57038801. The reversal of 57038772 is 27783075.

It is a super-2 number, since 2×57038772² = 6506843022535968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57038772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57038771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339433 + ... + 339600.

Almost surely, 2^57038772 is an apocalyptic number.

It is an amenable number.

57038772 is an abundant number, since it is smaller than the sum of its proper divisors (95064844).

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

57038772 is a wasteful number, since it uses less digits than its factorization.

57038772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679047 (or 679045 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 39.

The square root of 57038772 is about 7552.4017371959. The cubic root of 57038772 is about 384.9373530495.

The spelling of 57038772 in words is "fifty-seven million, thirty-eight thousand, seven hundred seventy-two".