56785335089 has 16 divisors (see below), whose sum is σ = 65436508800. Its totient is φ = 48269618304.

The previous prime is 56785335043. The next prime is 56785335091. The reversal of 56785335089 is 98053358765.

It is a cyclic number.

It is not a de Polignac number, because 56785335089 - 2¹⁶ = 56785269553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56785335389) 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 15 ways as a sum of consecutive naturals, for example, 948167 + ... + 1006275.

It is an arithmetic number, because the mean of its divisors is an integer number (4089781800).

Almost surely, 2^56785335089 is an apocalyptic number.

It is an amenable number.

56785335089 is a deficient number, since it is larger than the sum of its proper divisors (8651173711).

56785335089 is a wasteful number, since it uses less digits than its factorization.

56785335089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59272.

The product of its (nonzero) digits is 27216000, while the sum is 59.

The spelling of 56785335089 in words is "fifty-six billion, seven hundred eighty-five million, three hundred thirty-five thousand, eighty-nine".