57238692 has 48 divisors (see below), whose sum is σ = 157906560. Its totient is φ = 15789312.

The previous prime is 57238669. The next prime is 57238693. The reversal of 57238692 is 29683275.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (57238693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9313 + ... + 14184.

It is an arithmetic number, because the mean of its divisors is an integer number (3289720).

Almost surely, 2^57238692 is an apocalyptic number.

It is an amenable number.

57238692 is an abundant number, since it is smaller than the sum of its proper divisors (100667868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57238692 is a wasteful number, since it uses less digits than its factorization.

57238692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23540 (or 23538 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 57238692 is about 7565.6256846344. The cubic root of 57238692 is about 385.3865617599.

The spelling of 57238692 in words is "fifty-seven million, two hundred thirty-eight thousand, six hundred ninety-two".