56240256 has 64 divisors (see below), whose sum is σ = 150454080. Its totient is φ = 18613248.

The previous prime is 56240227. The next prime is 56240263. The reversal of 56240256 is 65204265.

It is a tau number, because it is divible by the number of its divisors (64).

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, 63690 + ... + 64566.

It is an arithmetic number, because the mean of its divisors is an integer number (2350845).

Almost surely, 2^56240256 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 56240256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75227040).

56240256 is an abundant number, since it is smaller than the sum of its proper divisors (94213824).

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

56240256 is a wasteful number, since it uses less digits than its factorization.

56240256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 56240256 is about 7499.3503718656. The cubic root of 56240256 is about 383.1325907144.

The spelling of 56240256 in words is "fifty-six million, two hundred forty thousand, two hundred fifty-six".