57440504 has 16 divisors (see below), whose sum is σ = 117492120. Its totient is φ = 26109280.

The previous prime is 57440483. The next prime is 57440519. The reversal of 57440504 is 40504475.

It is a super-2 number, since 2×57440504² = 6598822999548032, which contains 22 as substring.

It is a congruent number.

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, 326279 + ... + 326454.

Almost surely, 2^57440504 is an apocalyptic number.

It is an amenable number.

57440504 is an abundant number, since it is smaller than the sum of its proper divisors (60051616).

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

57440504 is a wasteful number, since it uses less digits than its factorization.

57440504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652750 (or 652746 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 57440504 is about 7578.9513786539. The cubic root of 57440504 is about 385.8389620605.

Adding to 57440504 its reverse (40504475), we get a palindrome (97944979).

The spelling of 57440504 in words is "fifty-seven million, four hundred forty thousand, five hundred four".