56875 has 20 divisors (see below), whose sum is σ = 87472. Its totient is φ = 36000.

The previous prime is 56873. The next prime is 56891. The reversal of 56875 is 57865.

It is not a de Polignac number, because 56875 - 2¹ = 56873 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

Its product of digits (8400) is a multiple of the sum of its prime divisors (25).

It is a nialpdrome in base 5.

It is a zygodrome in base 3.

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 19 ways as a sum of consecutive naturals, for example, 4369 + ... + 4381.

56875 is a Friedman number, since it can be written as 875*65, using all its digits and the basic arithmetic operations.

2⁵⁶⁸⁷⁵ is an apocalyptic number.

56875 is a deficient number, since it is larger than the sum of its proper divisors (30597).

56875 is an equidigital number, since it uses as much as digits as its factorization.

56875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40 (or 25 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 56875 is about 238.4848003542. The cubic root of 56875 is about 38.4568584049.

Subtracting 56875 from its reverse (57865), we obtain a triangular number (990 = T₄₄).

The spelling of 56875 in words is "fifty-six thousand, eight hundred seventy-five".