57051271 has 4 divisors (see below), whose sum is σ = 57076344. Its totient is φ = 57026200.

The previous prime is 57051263. The next prime is 57051283. The reversal of 57051271 is 17215075.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57051271 - 2³ = 57051263 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 (57051221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8740 + ... + 13801.

It is an arithmetic number, because the mean of its divisors is an integer number (14269086).

Almost surely, 2^57051271 is an apocalyptic number.

57051271 is a deficient number, since it is larger than the sum of its proper divisors (25073).

57051271 is a wasteful number, since it uses less digits than its factorization.

57051271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25072.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 57051271 is about 7553.2291769812. The cubic root of 57051271 is about 384.9654683146.

The spelling of 57051271 in words is "fifty-seven million, fifty-one thousand, two hundred seventy-one".