56943856 has 10 divisors (see below), whose sum is σ = 110328752. Its totient is φ = 28471920.

The previous prime is 56943853. The next prime is 56943857. The reversal of 56943856 is 65834965.

56943856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56943856² = 6485205472297472, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56943853) by changing a digit.

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 as a sum of consecutive naturals, namely, 1779480 + ... + 1779511.

Almost surely, 2^56943856 is an apocalyptic number.

It is an amenable number.

56943856 is a deficient number, since it is larger than the sum of its proper divisors (53384896).

56943856 is a wasteful number, since it uses less digits than its factorization.

56943856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558999 (or 3558993 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The square root of 56943856 is about 7546.1152919896. The cubic root of 56943856 is about 384.7237147486.

The spelling of 56943856 in words is "fifty-six million, nine hundred forty-three thousand, eight hundred fifty-six".