56779984 has 40 divisors (see below), whose sum is σ = 112561992. Its totient is φ = 27740160.

The previous prime is 56779979. The next prime is 56779993. The reversal of 56779984 is 48997765.

It can be written as a sum of positive squares in 4 ways, for example, as 26749584 + 30030400 = 5172^2 + 5480^2 .

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, 201924 + ... + 202204.

Almost surely, 2^56779984 is an apocalyptic number.

It is an amenable number.

56779984 is a deficient number, since it is larger than the sum of its proper divisors (55782008).

56779984 is a wasteful number, since it uses less digits than its factorization.

56779984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 529 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 55.

The square root of 56779984 is about 7535.2494318370. The cubic root of 56779984 is about 384.3543098476.

The spelling of 56779984 in words is "fifty-six million, seven hundred seventy-nine thousand, nine hundred eighty-four".