57291616 has 12 divisors (see below), whose sum is σ = 112792932. Its totient is φ = 28645792.

The previous prime is 57291601. The next prime is 57291623. The reversal of 57291616 is 61619275.

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, 895150 + ... + 895213.

It is an arithmetic number, because the mean of its divisors is an integer number (9399411).

Almost surely, 2^57291616 is an apocalyptic number.

It is an amenable number.

57291616 is a deficient number, since it is larger than the sum of its proper divisors (55501316).

57291616 is a wasteful number, since it uses less digits than its factorization.

57291616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790373 (or 1790365 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 57291616 is about 7569.1225383131. The cubic root of 57291616 is about 385.5053037895.

The spelling of 57291616 in words is "fifty-seven million, two hundred ninety-one thousand, six hundred sixteen".