56009828859 has 8 divisors (see below), whose sum is σ = 75731599872. Its totient is φ = 36813971880.

The previous prime is 56009828857. The next prime is 56009828891. The reversal of 56009828859 is 95882890065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56009828859 - 2¹ = 56009828857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56009828857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131478259 + ... + 131478684.

It is an arithmetic number, because the mean of its divisors is an integer number (9466449984).

Almost surely, 2^56009828859 is an apocalyptic number.

56009828859 is a deficient number, since it is larger than the sum of its proper divisors (19721771013).

56009828859 is a wasteful number, since it uses less digits than its factorization.

56009828859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262957017.

The product of its (nonzero) digits is 12441600, while the sum is 60.

The spelling of 56009828859 in words is "fifty-six billion, nine million, eight hundred twenty-eight thousand, eight hundred fifty-nine".