57327402 has 32 divisors (see below), whose sum is σ = 125657280. Its totient is φ = 17291520.

The previous prime is 57327379. The next prime is 57327421. The reversal of 57327402 is 20472375.

It is a self number, because there is not a number n which added to its sum of digits gives 57327402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13218 + ... + 17010.

It is an arithmetic number, because the mean of its divisors is an integer number (3926790).

Almost surely, 2^57327402 is an apocalyptic number.

57327402 is an abundant number, since it is smaller than the sum of its proper divisors (68329878).

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

57327402 is a wasteful number, since it uses less digits than its factorization.

57327402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 57327402 is about 7571.4861156843. The cubic root of 57327402 is about 385.5855530032.

Adding to 57327402 its reverse (20472375), we get a palindrome (77799777).

The spelling of 57327402 in words is "fifty-seven million, three hundred twenty-seven thousand, four hundred two".