57274392 has 32 divisors (see below), whose sum is σ = 163641600. Its totient is φ = 16364064.

The previous prime is 57274369. The next prime is 57274423. The reversal of 57274392 is 29347275.

It is a self number, because there is not a number n which added to its sum of digits gives 57274392.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170292 + ... + 170627.

It is an arithmetic number, because the mean of its divisors is an integer number (5113800).

Almost surely, 2^57274392 is an apocalyptic number.

It is an amenable number.

57274392 is an abundant number, since it is smaller than the sum of its proper divisors (106367208).

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

57274392 is a wasteful number, since it uses less digits than its factorization.

57274392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340935 (or 340931 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 57274392 is about 7567.9846722889. The cubic root of 57274392 is about 385.4666674856.

The spelling of 57274392 in words is "fifty-seven million, two hundred seventy-four thousand, three hundred ninety-two".