56040544 has 48 divisors (see below), whose sum is σ = 128798208. Its totient is φ = 23501952.

The previous prime is 56040527. The next prime is 56040559. The reversal of 56040544 is 44504065.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7867 + ... + 13189.

It is an arithmetic number, because the mean of its divisors is an integer number (2683296).

Almost surely, 2^56040544 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 56040544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64399104).

56040544 is an abundant number, since it is smaller than the sum of its proper divisors (72757664).

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

56040544 is a wasteful number, since it uses less digits than its factorization.

56040544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387 (or 5379 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 56040544 is about 7486.0232433516. The cubic root of 56040544 is about 382.6785450927.

The spelling of 56040544 in words is "fifty-six million, forty thousand, five hundred forty-four".