57056372 has 12 divisors (see below), whose sum is σ = 99905316. Its totient is φ = 28512000.

The previous prime is 57056347. The next prime is 57056383. The reversal of 57056372 is 27365075.

It can be written as a sum of positive squares in 2 ways, for example, as 48080356 + 8976016 = 6934^2 + 2996^2 .

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, 7622 + ... + 13122.

It is an arithmetic number, because the mean of its divisors is an integer number (8325443).

Almost surely, 2^57056372 is an apocalyptic number.

It is an amenable number.

57056372 is a deficient number, since it is larger than the sum of its proper divisors (42848944).

57056372 is a wasteful number, since it uses less digits than its factorization.

57056372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8098 (or 8096 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 57056372 is about 7553.5668395798. The cubic root of 57056372 is about 384.9769413300.

The spelling of 57056372 in words is "fifty-seven million, fifty-six thousand, three hundred seventy-two".