56871256 has 64 divisors (see below), whose sum is σ = 128066400. Its totient is φ = 23390208.

The previous prime is 56871253. The next prime is 56871259. The reversal of 56871256 is 65217865.

56871256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56871253) and next prime (56871259).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56871253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32746 + ... + 34438.

Almost surely, 2^56871256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56871256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64033200).

56871256 is an abundant number, since it is smaller than the sum of its proper divisors (71195144).

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

56871256 is a wasteful number, since it uses less digits than its factorization.

56871256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748 (or 1744 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 56871256 is about 7541.3033356310. The cubic root of 56871256 is about 384.5601453304.

It can be divided in two parts, 568 and 71256, that added together give a square (71824 = 268²).

The spelling of 56871256 in words is "fifty-six million, eight hundred seventy-one thousand, two hundred fifty-six".