57427560 has 48 divisors (see below), whose sum is σ = 186640740. Its totient is φ = 15313920.

The previous prime is 57427543. The next prime is 57427571. The reversal of 57427560 is 6572475.

57427560 is a `hidden beast` number, since 5 + 74 + 27 + 560 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51753636 + 5673924 = 7194^2 + 2382^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79401 + ... + 80120.

Almost surely, 2^57427560 is an apocalyptic number.

It is an amenable number.

57427560 is an abundant number, since it is smaller than the sum of its proper divisors (129213180).

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

57427560 is a wasteful number, since it uses less digits than its factorization.

57427560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159538 (or 159531 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 57427560 is about 7578.0973865476. The cubic root of 57427560 is about 385.8099774337.

The spelling of 57427560 in words is "fifty-seven million, four hundred twenty-seven thousand, five hundred sixty".