56835189865 has 8 divisors (see below), whose sum is σ = 68303572488. Its totient is φ = 45400588800.

The previous prime is 56835189847. The next prime is 56835189911. The reversal of 56835189865 is 56898153865.

56835189865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 906250816 + 55928939049 = 30104^2 + 236493^2 .

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

It is not a de Polignac number, because 56835189865 - 2¹⁹ = 56834665577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56835189797 and 56835189806.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8441686 + ... + 8448415.

It is an arithmetic number, because the mean of its divisors is an integer number (8537946561).

Almost surely, 2^56835189865 is an apocalyptic number.

It is an amenable number.

56835189865 is a deficient number, since it is larger than the sum of its proper divisors (11468382623).

56835189865 is a wasteful number, since it uses less digits than its factorization.

56835189865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16890779.

The product of its digits is 62208000, while the sum is 64.

The spelling of 56835189865 in words is "fifty-six billion, eight hundred thirty-five million, one hundred eighty-nine thousand, eight hundred sixty-five".