57316418 has 8 divisors (see below), whose sum is σ = 91032012. Its totient is φ = 26972416.

The previous prime is 57316417. The next prime is 57316421. The reversal of 57316418 is 81461375.

It can be written as a sum of positive squares in 2 ways, for example, as 52809289 + 4507129 = 7267^2 + 2123^2 .

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

It is not an unprimeable number, because it can be changed into a prime (57316411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842855 + ... + 842922.

Almost surely, 2^57316418 is an apocalyptic number.

57316418 is a deficient number, since it is larger than the sum of its proper divisors (33715594).

57316418 is a wasteful number, since it uses less digits than its factorization.

57316418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685796.

The product of its digits is 20160, while the sum is 35.

The square root of 57316418 is about 7570.7607279586. The cubic root of 57316418 is about 385.5609252098.

The spelling of 57316418 in words is "fifty-seven million, three hundred sixteen thousand, four hundred eighteen".