57147075 has 18 divisors (see below), whose sum is σ = 102357164. Its totient is φ = 30478320.

The previous prime is 57147067. The next prime is 57147089. The reversal of 57147075 is 57074175.

It is not a de Polignac number, because 57147075 - 2³ = 57147067 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 126769 + ... + 127218.

Almost surely, 2^57147075 is an apocalyptic number.

57147075 is a deficient number, since it is larger than the sum of its proper divisors (45210089).

57147075 is a wasteful number, since it uses less digits than its factorization.

57147075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254003 (or 253995 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 36.

The square root of 57147075 is about 7559.5684400632. The cubic root of 57147075 is about 385.1808336979.

Subtracting from 57147075 its reverse (57074175), we obtain a square (72900 = 270²).

The spelling of 57147075 in words is "fifty-seven million, one hundred forty-seven thousand, seventy-five".