56785855535 has 16 divisors (see below), whose sum is σ = 68883079104. Its totient is φ = 44936919552.

The previous prime is 56785855517. The next prime is 56785855537. The reversal of 56785855535 is 53555858765.

It is a cyclic number.

It is not a de Polignac number, because 56785855535 - 2⁶ = 56785855471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56785855537) 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, 184289 + ... + 384101.

It is an arithmetic number, because the mean of its divisors is an integer number (4305192444).

Almost surely, 2^56785855535 is an apocalyptic number.

56785855535 is a deficient number, since it is larger than the sum of its proper divisors (12097223569).

56785855535 is a wasteful number, since it uses less digits than its factorization.

56785855535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200434.

The product of its digits is 126000000, while the sum is 62.

The spelling of 56785855535 in words is "fifty-six billion, seven hundred eighty-five million, eight hundred fifty-five thousand, five hundred thirty-five".