57315772 has 12 divisors (see below), whose sum is σ = 106202880. Its totient is φ = 26972096.

The previous prime is 57315751. The next prime is 57315773. The reversal of 57315772 is 27751375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57315773) 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, 421372 + ... + 421507.

It is an arithmetic number, because the mean of its divisors is an integer number (8850240).

Almost surely, 2^57315772 is an apocalyptic number.

It is an amenable number.

57315772 is a deficient number, since it is larger than the sum of its proper divisors (48887108).

57315772 is a wasteful number, since it uses less digits than its factorization.

57315772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842900 (or 842898 counting only the distinct ones).

The product of its digits is 51450, while the sum is 37.

The square root of 57315772 is about 7570.7180636978. The cubic root of 57315772 is about 385.5594766819.

The spelling of 57315772 in words is "fifty-seven million, three hundred fifteen thousand, seven hundred seventy-two".