57247648 has 24 divisors (see below), whose sum is σ = 113978340. Its totient is φ = 28300800.

The previous prime is 57247643. The next prime is 57247657. The reversal of 57247648 is 84674275.

It can be written as a sum of positive squares in 2 ways, for example, as 53758224 + 3489424 = 7332^2 + 1868^2 .

It is not an unprimeable number, because it can be changed into a prime (57247643) 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, 7203 + ... + 12898.

Almost surely, 2^57247648 is an apocalyptic number.

It is an amenable number.

57247648 is a deficient number, since it is larger than the sum of its proper divisors (56730692).

57247648 is a wasteful number, since it uses less digits than its factorization.

57247648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20200 (or 20192 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 57247648 is about 7566.2175490796. The cubic root of 57247648 is about 385.4066608801.

The spelling of 57247648 in words is "fifty-seven million, two hundred forty-seven thousand, six hundred forty-eight".