56039144 has 48 divisors (see below), whose sum is σ = 124351200. Its totient is φ = 23599968.

The previous prime is 56039099. The next prime is 56039149. The reversal of 56039144 is 44193065.

It is a self number, because there is not a number n which added to its sum of digits gives 56039144.

It is not an unprimeable number, because it can be changed into a prime (56039149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21917 + ... + 24339.

It is an arithmetic number, because the mean of its divisors is an integer number (2590650).

Almost surely, 2^56039144 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 56039144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62175600).

56039144 is an abundant number, since it is smaller than the sum of its proper divisors (68312056).

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

56039144 is a wasteful number, since it uses less digits than its factorization.

56039144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502 (or 2491 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 56039144 is about 7485.9297351765. The cubic root of 56039144 is about 382.6753583854.

The spelling of 56039144 in words is "fifty-six million, thirty-nine thousand, one hundred forty-four".