56784782 has 8 divisors (see below), whose sum is σ = 86203656. Its totient is φ = 28050232.

The previous prime is 56784779. The next prime is 56784797. The reversal of 56784782 is 28748765.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×56784782² = 6449022933575048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170873 + ... + 171204.

It is an arithmetic number, because the mean of its divisors is an integer number (10775457).

Almost surely, 2^56784782 is an apocalyptic number.

56784782 is a deficient number, since it is larger than the sum of its proper divisors (29418874).

56784782 is a wasteful number, since it uses less digits than its factorization.

56784782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342162.

The product of its digits is 752640, while the sum is 47.

The square root of 56784782 is about 7535.5677954617. The cubic root of 56784782 is about 384.3651357285.

The spelling of 56784782 in words is "fifty-six million, seven hundred eighty-four thousand, seven hundred eighty-two".