57403144 has 16 divisors (see below), whose sum is σ = 108355500. Its totient is φ = 28508352.

The previous prime is 57403141. The next prime is 57403153. The reversal of 57403144 is 44130475.

It can be written as a sum of positive squares in 2 ways, for example, as 56700900 + 702244 = 7530^2 + 838^2 .

It is not an unprimeable number, because it can be changed into a prime (57403141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22887 + ... + 25270.

Almost surely, 2^57403144 is an apocalyptic number.

It is an amenable number.

57403144 is a deficient number, since it is larger than the sum of its proper divisors (50952356).

57403144 is a wasteful number, since it uses less digits than its factorization.

57403144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48312 (or 48308 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 57403144 is about 7576.4862568344. The cubic root of 57403144 is about 385.7552924722.

The spelling of 57403144 in words is "fifty-seven million, four hundred three thousand, one hundred forty-four".