56280384 has 84 divisors (see below), whose sum is σ = 162458400. Its totient is φ = 18627840.

The previous prime is 56280383. The next prime is 56280397. The reversal of 56280384 is 48308265.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56280383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114379 + ... + 114869.

Almost surely, 2^56280384 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 56280384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81229200).

56280384 is an abundant number, since it is smaller than the sum of its proper divisors (106178016).

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

56280384 is a wasteful number, since it uses less digits than its factorization.

56280384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 56280384 is about 7502.0253265368. The cubic root of 56280384 is about 383.2236920628.

The spelling of 56280384 in words is "fifty-six million, two hundred eighty thousand, three hundred eighty-four".