56217882 has 16 divisors (see below), whose sum is σ = 128498112. Its totient is φ = 16062240.

The previous prime is 56217881. The next prime is 56217883. The reversal of 56217882 is 28871265.

56217882 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 (56217881) and next prime (56217883).

It is a self number, because there is not a number n which added to its sum of digits gives 56217882.

It is not an unprimeable number, because it can be changed into a prime (56217881) 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 7 ways as a sum of consecutive naturals, for example, 669219 + ... + 669302.

It is an arithmetic number, because the mean of its divisors is an integer number (8031132).

Almost surely, 2^56217882 is an apocalyptic number.

56217882 is an abundant number, since it is smaller than the sum of its proper divisors (72280230).

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

56217882 is a wasteful number, since it uses less digits than its factorization.

56217882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338533.

The product of its digits is 53760, while the sum is 39.

The square root of 56217882 is about 7497.8584942635. The cubic root of 56217882 is about 383.0817769012.

The spelling of 56217882 in words is "fifty-six million, two hundred seventeen thousand, eight hundred eighty-two".