57171297 has 4 divisors (see below), whose sum is σ = 76228400. Its totient is φ = 38114196.

The previous prime is 57171271. The next prime is 57171311. The reversal of 57171297 is 79217175.

57171297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 57171297 - 2⁸ = 57171041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57171217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9528547 + ... + 9528552.

It is an arithmetic number, because the mean of its divisors is an integer number (19057100).

Almost surely, 2^57171297 is an apocalyptic number.

It is an amenable number.

57171297 is a deficient number, since it is larger than the sum of its proper divisors (19057103).

57171297 is a wasteful number, since it uses less digits than its factorization.

57171297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19057102.

The product of its digits is 30870, while the sum is 39.

The square root of 57171297 is about 7561.1703459187. The cubic root of 57171297 is about 385.2352461200.

The spelling of 57171297 in words is "fifty-seven million, one hundred seventy-one thousand, two hundred ninety-seven".