57152271 has 8 divisors (see below), whose sum is σ = 83130624. Its totient is φ = 34637720.

The previous prime is 57152233. The next prime is 57152281. The reversal of 57152271 is 17225175.

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 57152271 - 2²² = 52957967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57152281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865911 + ... + 865976.

It is an arithmetic number, because the mean of its divisors is an integer number (10391328).

Almost surely, 2^57152271 is an apocalyptic number.

57152271 is a deficient number, since it is larger than the sum of its proper divisors (25978353).

57152271 is a wasteful number, since it uses less digits than its factorization.

57152271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731901.

The product of its digits is 4900, while the sum is 30.

The square root of 57152271 is about 7559.9121026636. The cubic root of 57152271 is about 385.1925073135.

The spelling of 57152271 in words is "fifty-seven million, one hundred fifty-two thousand, two hundred seventy-one".