56394744 has 64 divisors (see below), whose sum is σ = 163799040. Its totient is φ = 15845760.

The previous prime is 56394743. The next prime is 56394757. The reversal of 56394744 is 44749365.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 56394696 and 56394705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56394743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7497 + ... + 12999.

It is an arithmetic number, because the mean of its divisors is an integer number (2559360).

Almost surely, 2^56394744 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 56394744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81899520).

56394744 is an abundant number, since it is smaller than the sum of its proper divisors (107404296).

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

56394744 is a wasteful number, since it uses less digits than its factorization.

56394744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580 (or 5576 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 56394744 is about 7509.6434003220. The cubic root of 56394744 is about 383.4830826816.

The spelling of 56394744 in words is "fifty-six million, three hundred ninety-four thousand, seven hundred forty-four".