57457744 has 40 divisors (see below), whose sum is σ = 116028288. Its totient is φ = 27538560.

The previous prime is 57457717. The next prime is 57457753. The reversal of 57457744 is 44775475.

57457744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 57457744.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41349 + ... + 42715.

Almost surely, 2^57457744 is an apocalyptic number.

It is an amenable number.

57457744 is an abundant number, since it is smaller than the sum of its proper divisors (58570544).

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

57457744 is a wasteful number, since it uses less digits than its factorization.

57457744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483 (or 1477 counting only the distinct ones).

The product of its digits is 548800, while the sum is 43.

The square root of 57457744 is about 7580.0886538351. The cubic root of 57457744 is about 385.8775596694.

The spelling of 57457744 in words is "fifty-seven million, four hundred fifty-seven thousand, seven hundred forty-four".