56871 has 12 divisors (see below), whose sum is σ = 84240. Its totient is φ = 36960.

The previous prime is 56857. The next prime is 56873. The reversal of 56871 is 17865.

It is not a de Polignac number, because 56871 - 2⁶ = 56807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 595 + ... + 683.

It is an arithmetic number, because the mean of its divisors is an integer number (7020).

2⁵⁶⁸⁷¹ is an apocalyptic number.

56871 is a deficient number, since it is larger than the sum of its proper divisors (27369).

56871 is a wasteful number, since it uses less digits than its factorization.

56871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 163 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 56871 is about 238.4764139281. The cubic root of 56871 is about 38.4559568310.

The spelling of 56871 in words is "fifty-six thousand, eight hundred seventy-one".