57537923 has 4 divisors (see below), whose sum is σ = 59093040. Its totient is φ = 55982808.

The previous prime is 57537919. The next prime is 57537929. The reversal of 57537923 is 32973575.

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

It is a cyclic number.

It is not a de Polignac number, because 57537923 - 2² = 57537919 is a prime.

It is a super-2 number, since 2×57537923² = 6621225166307858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57537929) 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, 777503 + ... + 777576.

It is an arithmetic number, because the mean of its divisors is an integer number (14773260).

Almost surely, 2^57537923 is an apocalyptic number.

57537923 is a deficient number, since it is larger than the sum of its proper divisors (1555117).

57537923 is a wasteful number, since it uses less digits than its factorization.

57537923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555116.

The product of its digits is 198450, while the sum is 41.

The square root of 57537923 is about 7585.3756004564. The cubic root of 57537923 is about 386.0569662763.

The spelling of 57537923 in words is "fifty-seven million, five hundred thirty-seven thousand, nine hundred twenty-three".