56866832 has 40 divisors (see below), whose sum is σ = 121471392. Its totient is φ = 25574400.

The previous prime is 56866739. The next prime is 56866841. The reversal of 56866832 is 23866865.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15407 + ... + 18737.

Almost surely, 2^56866832 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 56866832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60735696).

56866832 is an abundant number, since it is smaller than the sum of its proper divisors (64604560).

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

56866832 is a wasteful number, since it uses less digits than its factorization.

56866832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447 (or 3441 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 56866832 is about 7541.0100119281. The cubic root of 56866832 is about 384.5501734611.

The spelling of 56866832 in words is "fifty-six million, eight hundred sixty-six thousand, eight hundred thirty-two".