57268623 has 4 divisors (see below), whose sum is σ = 76358168. Its totient is φ = 38179080.

The previous prime is 57268621. The next prime is 57268633. The reversal of 57268623 is 32686275.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 57268623 - 2¹ = 57268621 is a prime.

It is a super-2 number, since 2×57268623² = 6559390360632258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57268621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9544768 + ... + 9544773.

It is an arithmetic number, because the mean of its divisors is an integer number (19089542).

Almost surely, 2^57268623 is an apocalyptic number.

57268623 is a deficient number, since it is larger than the sum of its proper divisors (19089545).

57268623 is a wasteful number, since it uses less digits than its factorization.

57268623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19089544.

The product of its digits is 120960, while the sum is 39.

The square root of 57268623 is about 7567.6035176270. The cubic root of 57268623 is about 385.4537249250.

The spelling of 57268623 in words is "fifty-seven million, two hundred sixty-eight thousand, six hundred twenty-three".