57247171 has 8 divisors (see below), whose sum is σ = 60336320. Its totient is φ = 54165672.

The previous prime is 57247129. The next prime is 57247181. The reversal of 57247171 is 17174275.

57247171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57247171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57247121) 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 7 ways as a sum of consecutive naturals, for example, 19996 + ... + 22678.

It is an arithmetic number, because the mean of its divisors is an integer number (7542040).

Almost surely, 2^57247171 is an apocalyptic number.

57247171 is a deficient number, since it is larger than the sum of its proper divisors (3089149).

57247171 is a wasteful number, since it uses less digits than its factorization.

57247171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825.

The product of its digits is 13720, while the sum is 34.

The square root of 57247171 is about 7566.1860273192. The cubic root of 57247171 is about 385.4055904461.

The spelling of 57247171 in words is "fifty-seven million, two hundred forty-seven thousand, one hundred seventy-one".