57247271 has 8 divisors (see below), whose sum is σ = 58368000. Its totient is φ = 56136600.

The previous prime is 57247259. The next prime is 57247273. The reversal of 57247271 is 17274275.

57247271 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 not a de Polignac number, because 57247271 - 2¹⁸ = 56985127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57247273) 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, 9530 + ... + 14328.

It is an arithmetic number, because the mean of its divisors is an integer number (7296000).

Almost surely, 2^57247271 is an apocalyptic number.

57247271 is a deficient number, since it is larger than the sum of its proper divisors (1120729).

57247271 is a wasteful number, since it uses less digits than its factorization.

57247271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5029.

The product of its digits is 27440, while the sum is 35.

The square root of 57247271 is about 7566.1926356656. The cubic root of 57247271 is about 385.4058148562.

The spelling of 57247271 in words is "fifty-seven million, two hundred forty-seven thousand, two hundred seventy-one".