57023307 has 18 divisors (see below), whose sum is σ = 90537356. Its totient is φ = 34558920.

The previous prime is 57023299. The next prime is 57023311. The reversal of 57023307 is 70332075.

It is not a de Polignac number, because 57023307 - 2³ = 57023299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57023347) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25093 + ... + 27270.

Almost surely, 2^57023307 is an apocalyptic number.

57023307 is a deficient number, since it is larger than the sum of its proper divisors (33514049).

57023307 is a wasteful number, since it uses less digits than its factorization.

57023307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52391 (or 52377 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 57023307 is about 7551.3778212986. The cubic root of 57023307 is about 384.9025603751.

It can be divided in two parts, 5702 and 3307, that added together give a palindrome (9009).

The spelling of 57023307 in words is "fifty-seven million, twenty-three thousand, three hundred seven".