57385294 has 4 divisors (see below), whose sum is σ = 86077944. Its totient is φ = 28692646.

The previous prime is 57385267. The next prime is 57385351. The reversal of 57385294 is 49258375.

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

It is a self number, because there is not a number n which added to its sum of digits gives 57385294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14346322 + ... + 14346325.

It is an arithmetic number, because the mean of its divisors is an integer number (21519486).

Almost surely, 2^57385294 is an apocalyptic number.

57385294 is a deficient number, since it is larger than the sum of its proper divisors (28692650).

57385294 is a wasteful number, since it uses less digits than its factorization.

57385294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28692649.

The product of its digits is 302400, while the sum is 43.

The square root of 57385294 is about 7575.3081785496. The cubic root of 57385294 is about 385.7153036880.

The spelling of 57385294 in words is "fifty-seven million, three hundred eighty-five thousand, two hundred ninety-four".