57291316 has 6 divisors (see below), whose sum is σ = 100259810. Its totient is φ = 28645656.

The previous prime is 57291287. The next prime is 57291319. The reversal of 57291316 is 61319275.

It can be written as a sum of positive squares in only one way, i.e., 50552100 + 6739216 = 7110^2 + 2596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57291319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7161411 + ... + 7161418.

Almost surely, 2^57291316 is an apocalyptic number.

It is an amenable number.

57291316 is a deficient number, since it is larger than the sum of its proper divisors (42968494).

57291316 is a wasteful number, since it uses less digits than its factorization.

57291316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14322833 (or 14322831 counting only the distinct ones).

The product of its digits is 11340, while the sum is 34.

The square root of 57291316 is about 7569.1027209307. The cubic root of 57291316 is about 385.5046309058.

The spelling of 57291316 in words is "fifty-seven million, two hundred ninety-one thousand, three hundred sixteen".