57440574 has 24 divisors (see below), whose sum is σ = 126314760. Its totient is φ = 18860688.

The previous prime is 57440573. The next prime is 57440609. The reversal of 57440574 is 47504475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57440573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22609 + ... + 25020.

It is an arithmetic number, because the mean of its divisors is an integer number (5263115).

Almost surely, 2^57440574 is an apocalyptic number.

57440574 is an abundant number, since it is smaller than the sum of its proper divisors (68874186).

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

57440574 is a wasteful number, since it uses less digits than its factorization.

57440574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47704 (or 47701 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 57440574 is about 7578.9559967056. The cubic root of 57440574 is about 385.8391187950.

The spelling of 57440574 in words is "fifty-seven million, four hundred forty thousand, five hundred seventy-four".