57015344 has 20 divisors (see below), whose sum is σ = 115270896. Its totient is φ = 27268032.

The previous prime is 57015323. The next prime is 57015347. The reversal of 57015344 is 44351075.

It is not an unprimeable number, because it can be changed into a prime (57015347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77099 + ... + 77834.

Almost surely, 2^57015344 is an apocalyptic number.

It is an amenable number.

57015344 is an abundant number, since it is smaller than the sum of its proper divisors (58255552).

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

57015344 is a wasteful number, since it uses less digits than its factorization.

57015344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154964 (or 154958 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 57015344 is about 7550.8505481171. The cubic root of 57015344 is about 384.8846430127.

The spelling of 57015344 in words is "fifty-seven million, fifteen thousand, three hundred forty-four".