56329665 has 48 divisors (see below), whose sum is σ = 105686208. Its totient is φ = 25544064.

The previous prime is 56329643. The next prime is 56329667. The reversal of 56329665 is 56692365.

56329665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56329665 - 2⁸ = 56329409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56329667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126934 + ... + 127376.

It is an arithmetic number, because the mean of its divisors is an integer number (2201796).

Almost surely, 2^56329665 is an apocalyptic number.

It is an amenable number.

56329665 is a deficient number, since it is larger than the sum of its proper divisors (49356543).

56329665 is a wasteful number, since it uses less digits than its factorization.

56329665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 631 counting only the distinct ones).

The product of its digits is 291600, while the sum is 42.

The square root of 56329665 is about 7505.3091208824. The cubic root of 56329665 is about 383.3355139552.

The spelling of 56329665 in words is "fifty-six million, three hundred twenty-nine thousand, six hundred sixty-five".