56886 has 16 divisors (see below), whose sum is σ = 120000. Its totient is φ = 17928.

The previous prime is 56873. The next prime is 56891. The reversal of 56886 is 68865.

Added to its reverse (68865) it gives a triangular number (125751 = T₅₀₁).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136 + ... + 363.

It is an arithmetic number, because the mean of its divisors is an integer number (7500).

2⁵⁶⁸⁸⁶ is an apocalyptic number.

56886 is an abundant number, since it is smaller than the sum of its proper divisors (63114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60000).

56886 is a wasteful number, since it uses less digits than its factorization.

56886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523.

The product of its digits is 11520, while the sum is 33.

The square root of 56886 is about 238.5078615057. The cubic root of 56886 is about 38.4593375151.

Adding to 56886 its reverse (68865), we get a triangular number (125751 = T₅₀₁).

The spelling of 56886 in words is "fifty-six thousand, eight hundred eighty-six".