56659984 has 10 divisors (see below), whose sum is σ = 109778750. Its totient is φ = 28329984.

The previous prime is 56659979. The next prime is 56660003. The reversal of 56659984 is 48995665.

It can be written as a sum of positive squares in only one way, i.e., 46240000 + 10419984 = 6800^2 + 3228^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770609 + ... + 1770640.

It is an arithmetic number, because the mean of its divisors is an integer number (10977875).

Almost surely, 2^56659984 is an apocalyptic number.

It is an amenable number.

56659984 is a deficient number, since it is larger than the sum of its proper divisors (53118766).

56659984 is a wasteful number, since it uses less digits than its factorization.

56659984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541257 (or 3541251 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 52.

The square root of 56659984 is about 7527.2826438231. The cubic root of 56659984 is about 384.0833514087.

The spelling of 56659984 in words is "fifty-six million, six hundred fifty-nine thousand, nine hundred eighty-four".