57427530 has 32 divisors (see below), whose sum is σ = 145934784. Its totient is φ = 14413056.

The previous prime is 57427501. The next prime is 57427537. The reversal of 57427530 is 3572475.

It is a junction number, because it is equal to n+sod(n) for n = 57427491 and 57427500.

It is not an unprimeable number, because it can be changed into a prime (57427537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55792 + ... + 56811.

It is an arithmetic number, because the mean of its divisors is an integer number (4560462).

Almost surely, 2^57427530 is an apocalyptic number.

57427530 is an abundant number, since it is smaller than the sum of its proper divisors (88507254).

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

57427530 is a wasteful number, since it uses less digits than its factorization.

57427530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112630.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 57427530 is about 7578.0954071587. The cubic root of 57427530 is about 385.8099102517.

The spelling of 57427530 in words is "fifty-seven million, four hundred twenty-seven thousand, five hundred thirty".