56809529 has 16 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 45694464.

The previous prime is 56809469. The next prime is 56809537. The reversal of 56809529 is 92590865.

56809529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56809529 - 2¹² = 56805433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56809529.

It is not an unprimeable number, because it can be changed into a prime (56809589) 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 15 ways as a sum of consecutive naturals, for example, 67292 + ... + 68130.

It is an arithmetic number, because the mean of its divisors is an integer number (4309200).

Almost surely, 2^56809529 is an apocalyptic number.

It is an amenable number.

56809529 is a deficient number, since it is larger than the sum of its proper divisors (12137671).

56809529 is a wasteful number, since it uses less digits than its factorization.

56809529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 56809529 is about 7537.2096295645. The cubic root of 56809529 is about 384.4209634946.

The spelling of 56809529 in words is "fifty-six million, eight hundred nine thousand, five hundred twenty-nine".