56281344 has 216 divisors, whose sum is σ = 186903360. Its totient is φ = 14708736.

The previous prime is 56281343. The next prime is 56281349. The reversal of 56281344 is 44318265.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (23040) is a multiple of the sum of its prime divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56281343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1940722 + ... + 1940750.

Almost surely, 2^56281344 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 56281344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93451680).

56281344 is an abundant number, since it is smaller than the sum of its proper divisors (130622016).

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

56281344 is a wasteful number, since it uses less digits than its factorization.

56281344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 60 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 56281344 is about 7502.0893089859. The cubic root of 56281344 is about 383.2258709904.

The spelling of 56281344 in words is "fifty-six million, two hundred eighty-one thousand, three hundred forty-four".