56866854 has 96 divisors (see below), whose sum is σ = 134638560. Its totient is φ = 15966720.

The previous prime is 56866847. The next prime is 56866861. The reversal of 56866854 is 45866865.

It is a happy number.

56866854 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 (56866847) and next prime (56866861).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 778962 + ... + 779034.

It is an arithmetic number, because the mean of its divisors is an integer number (1402485).

Almost surely, 2^56866854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56866854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67319280).

56866854 is an abundant number, since it is smaller than the sum of its proper divisors (77771706).

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

56866854 is a wasteful number, since it uses less digits than its factorization.

56866854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 155 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 48.

The square root of 56866854 is about 7541.0114706185. The cubic root of 56866854 is about 384.5502230512.

The spelling of 56866854 in words is "fifty-six million, eight hundred sixty-six thousand, eight hundred fifty-four".