56422784 has 48 divisors (see below), whose sum is σ = 123586260. Its totient is φ = 25639680.

The previous prime is 56422783. The next prime is 56422801. The reversal of 56422784 is 48722465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56422781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13667 + ... + 17309.

Almost surely, 2^56422784 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 56422784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61793130).

56422784 is an abundant number, since it is smaller than the sum of its proper divisors (67163476).

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

56422784 is a wasteful number, since it uses less digits than its factorization.

56422784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679 (or 3656 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 56422784 is about 7511.5101011714. The cubic root of 56422784 is about 383.5466292891.

The spelling of 56422784 in words is "fifty-six million, four hundred twenty-two thousand, seven hundred eighty-four".