57251072 has 18 divisors (see below), whose sum is σ = 114279018. Its totient is φ = 28625408.

The previous prime is 57251059. The next prime is 57251083. The reversal of 57251072 is 27015275.

It can be written as a sum of positive squares in only one way, i.e., 39137536 + 18113536 = 6256^2 + 4256^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111563 + ... + 112074.

Almost surely, 2^57251072 is an apocalyptic number.

It is an amenable number.

57251072 is a deficient number, since it is larger than the sum of its proper divisors (57027946).

57251072 is an equidigital number, since it uses as much as digits as its factorization.

57251072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223653 (or 223639 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 57251072 is about 7566.4438146331. The cubic root of 57251072 is about 385.4143444918.

The spelling of 57251072 in words is "fifty-seven million, two hundred fifty-one thousand, seventy-two".