56996656 has 30 divisors (see below), whose sum is σ = 116512260. Its totient is φ = 26936064.

The previous prime is 56996603. The next prime is 56996663. The reversal of 56996656 is 65669965.

It is a happy number.

56996656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131416 + ... + 131848.

It is an arithmetic number, because the mean of its divisors is an integer number (3883742).

Almost surely, 2^56996656 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 56996656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58256130).

56996656 is an abundant number, since it is smaller than the sum of its proper divisors (59515604).

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

56996656 is an equidigital number, since it uses as much as digits as its factorization.

56996656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 454 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 52.

The square root of 56996656 is about 7549.6129702124. The cubic root of 56996656 is about 384.8425870227.

The spelling of 56996656 in words is "fifty-six million, nine hundred ninety-six thousand, six hundred fifty-six".