57986920 has 16 divisors (see below), whose sum is σ = 130470660. Its totient is φ = 23194752.

The previous prime is 57986867. The next prime is 57986939. The reversal of 57986920 is 2968975.

It can be written as a sum of positive squares in 2 ways, for example, as 57972996 + 13924 = 7614^2 + 118^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724797 + ... + 724876.

Almost surely, 2^57986920 is an apocalyptic number.

It is an amenable number.

57986920 is an abundant number, since it is smaller than the sum of its proper divisors (72483740).

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

57986920 is a wasteful number, since it uses less digits than its factorization.

57986920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449684 (or 1449680 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 57986920 is about 7614.9143133721. The cubic root of 57986920 is about 387.0585635611.

The spelling of 57986920 in words is "fifty-seven million, nine hundred eighty-six thousand, nine hundred twenty".