56385664 has 32 divisors (see below), whose sum is σ = 112727340. Its totient is φ = 28093440.

The previous prime is 56385653. The next prime is 56385677. The reversal of 56385664 is 46658365.

It can be written as a sum of positive squares in 2 ways, for example, as 52417600 + 3968064 = 7240^2 + 1992^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 56385664.

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, 47154 + ... + 48334.

Almost surely, 2^56385664 is an apocalyptic number.

It is an amenable number.

56385664 is a deficient number, since it is larger than the sum of its proper divisors (56341676).

56385664 is a wasteful number, since it uses less digits than its factorization.

56385664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568 (or 1556 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The square root of 56385664 is about 7509.0388199822. The cubic root of 56385664 is about 383.4625003067.

The spelling of 56385664 in words is "fifty-six million, three hundred eighty-five thousand, six hundred sixty-four".