56784436 has 24 divisors (see below), whose sum is σ = 106122240. Its totient is φ = 26527200.

The previous prime is 56784391. The next prime is 56784457. The reversal of 56784436 is 63448765.

56784436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56784392 and 56784401.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4300 + ... + 11491.

It is an arithmetic number, because the mean of its divisors is an integer number (4421760).

Almost surely, 2^56784436 is an apocalyptic number.

It is an amenable number.

56784436 is a deficient number, since it is larger than the sum of its proper divisors (49337804).

56784436 is a wasteful number, since it uses less digits than its factorization.

56784436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15855 (or 15853 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 56784436 is about 7535.5448376345. The cubic root of 56784436 is about 384.3643550581.

The spelling of 56784436 in words is "fifty-six million, seven hundred eighty-four thousand, four hundred thirty-six".