56984856 has 32 divisors (see below), whose sum is σ = 142657200. Its totient is φ = 18968960.

The previous prime is 56984849. The next prime is 56984887. The reversal of 56984856 is 65848965.

It is a junction number, because it is equal to n+sod(n) for n = 56984799 and 56984808.

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 7 ways as a sum of consecutive naturals, for example, 25546 + ... + 27686.

Almost surely, 2^56984856 is an apocalyptic number.

It is an amenable number.

56984856 is an abundant number, since it is smaller than the sum of its proper divisors (85672344).

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

56984856 is a wasteful number, since it uses less digits than its factorization.

56984856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259 (or 3255 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The square root of 56984856 is about 7548.8314327451. The cubic root of 56984856 is about 384.8160272426.

The spelling of 56984856 in words is "fifty-six million, nine hundred eighty-four thousand, eight hundred fifty-six".