57248144 has 20 divisors (see below), whose sum is σ = 111327324. Its totient is φ = 28518528.

The previous prime is 57248137. The next prime is 57248153. The reversal of 57248144 is 44184275.

It can be written as a sum of positive squares in 2 ways, for example, as 19891600 + 37356544 = 4460^2 + 6112^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2027 + ... + 10890.

Almost surely, 2^57248144 is an apocalyptic number.

It is an amenable number.

57248144 is a deficient number, since it is larger than the sum of its proper divisors (54079180).

57248144 is a wasteful number, since it uses less digits than its factorization.

57248144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13202 (or 13196 counting only the distinct ones).

The product of its digits is 35840, while the sum is 35.

The square root of 57248144 is about 7566.2503262845. The cubic root of 57248144 is about 385.4077739456.

The spelling of 57248144 in words is "fifty-seven million, two hundred forty-eight thousand, one hundred forty-four".