57023913 has 8 divisors (see below), whose sum is σ = 77320800. Its totient is φ = 37371488.

The previous prime is 57023909. The next prime is 57023951. The reversal of 57023913 is 31932075.

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 57023913 - 2² = 57023909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57023413) 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, 160908 + ... + 161261.

It is an arithmetic number, because the mean of its divisors is an integer number (9665100).

Almost surely, 2^57023913 is an apocalyptic number.

It is an amenable number.

57023913 is a deficient number, since it is larger than the sum of its proper divisors (20296887).

57023913 is a wasteful number, since it uses less digits than its factorization.

57023913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322231.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 57023913 is about 7551.4179463198. The cubic root of 57023913 is about 384.9039238534.

Adding to 57023913 its reverse (31932075), we get a palindrome (88955988).

The spelling of 57023913 in words is "fifty-seven million, twenty-three thousand, nine hundred thirteen".