56784929 has 8 divisors (see below), whose sum is σ = 58829160. Its totient is φ = 54746496.

The previous prime is 56784887. The next prime is 56784941. The reversal of 56784929 is 92948765.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2024929 + 54760000 = 1423^2 + 7400^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56784929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56784989) by changing a digit.

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, 31517 + ... + 33269.

It is an arithmetic number, because the mean of its divisors is an integer number (7353645).

Almost surely, 2^56784929 is an apocalyptic number.

It is an amenable number.

56784929 is a deficient number, since it is larger than the sum of its proper divisors (2044231).

56784929 is a wasteful number, since it uses less digits than its factorization.

56784929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899.

The product of its digits is 1088640, while the sum is 50.

The square root of 56784929 is about 7535.5775491995. The cubic root of 56784929 is about 384.3654673997.

The spelling of 56784929 in words is "fifty-six million, seven hundred eighty-four thousand, nine hundred twenty-nine".