57316691 has 8 divisors (see below), whose sum is σ = 59273424. Its totient is φ = 55392480.

The previous prime is 57316681. The next prime is 57316697. The reversal of 57316691 is 19661375.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57316691 - 2⁶ = 57316627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57316697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4520 + ... + 11621.

It is an arithmetic number, because the mean of its divisors is an integer number (7409178).

Almost surely, 2^57316691 is an apocalyptic number.

57316691 is a deficient number, since it is larger than the sum of its proper divisors (1956733).

57316691 is a wasteful number, since it uses less digits than its factorization.

57316691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16261.

The product of its digits is 34020, while the sum is 38.

The square root of 57316691 is about 7570.7787578293. The cubic root of 57316691 is about 385.5615373553.

The spelling of 57316691 in words is "fifty-seven million, three hundred sixteen thousand, six hundred ninety-one".