57740144 has 40 divisors (see below), whose sum is σ = 139479168. Its totient is φ = 22495680.

The previous prime is 57740141. The next prime is 57740147. The reversal of 57740144 is 44104775.

It is an interprime number because it is at equal distance from previous prime (57740141) and next prime (57740147).

It is a self number, because there is not a number n which added to its sum of digits gives 57740144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57740141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22202 + ... + 24665.

Almost surely, 2^57740144 is an apocalyptic number.

It is an amenable number.

57740144 is an abundant number, since it is smaller than the sum of its proper divisors (81739024).

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

57740144 is a wasteful number, since it uses less digits than its factorization.

57740144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46893 (or 46887 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 57740144 is about 7598.6935719241. The cubic root of 57740144 is about 386.5087120725.

The spelling of 57740144 in words is "fifty-seven million, seven hundred forty thousand, one hundred forty-four".