56318444 has 108 divisors (see below), whose sum is σ = 133125552. Its totient is φ = 20623680.

The previous prime is 56318419. The next prime is 56318453. The reversal of 56318444 is 44481365.

It is a super-2 number, since 2×56318444² = 6343534269162272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1816709 + ... + 1816739.

It is an arithmetic number, because the mean of its divisors is an integer number (1232644).

Almost surely, 2^56318444 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 56318444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66562776).

56318444 is an abundant number, since it is smaller than the sum of its proper divisors (76807108).

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

56318444 is a wasteful number, since it uses less digits than its factorization.

56318444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 76 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 56318444 is about 7504.5615461531. The cubic root of 56318444 is about 383.3100584902.

The spelling of 56318444 in words is "fifty-six million, three hundred eighteen thousand, four hundred forty-four".