57030372 has 48 divisors (see below), whose sum is σ = 168981120. Its totient is φ = 16294176.

The previous prime is 57030371. The next prime is 57030397. The reversal of 57030372 is 27303075.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (57030371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36963 + ... + 38474.

It is an arithmetic number, because the mean of its divisors is an integer number (3520440).

Almost surely, 2^57030372 is an apocalyptic number.

It is an amenable number.

57030372 is an abundant number, since it is smaller than the sum of its proper divisors (111950748).

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

57030372 is a wasteful number, since it uses less digits than its factorization.

57030372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75457 (or 75449 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 57030372 is about 7551.8456022353. The cubic root of 57030372 is about 384.9184557720.

The spelling of 57030372 in words is "fifty-seven million, thirty thousand, three hundred seventy-two".