56120256 has 112 divisors (see below), whose sum is σ = 168737280. Its totient is φ = 18282240.

The previous prime is 56120237. The next prime is 56120279. The reversal of 56120256 is 65202165.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 80871 + ... + 81561.

Almost surely, 2^56120256 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 56120256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84368640).

56120256 is an abundant number, since it is smaller than the sum of its proper divisors (112617024).

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

56120256 is a wasteful number, since it uses less digits than its factorization.

56120256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 56120256 is about 7491.3454065341. The cubic root of 56120256 is about 382.8598996290.

The spelling of 56120256 in words is "fifty-six million, one hundred twenty thousand, two hundred fifty-six".