53686844868635 has 16 divisors (see below), whose sum is σ = 74415134706912. Its totient is φ = 36748214668800.

The previous prime is 53686844868611. The next prime is 53686844868689.

53686844868635 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 53686844868635 - 2⁶ = 53686844868571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53686844868635.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28709541776 + ... + 28709543645.

It is an arithmetic number, because the mean of its divisors is an integer number (4650945919182).

Almost surely, 2^{53686844868635} is an apocalyptic number.

53686844868635 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53686844868635 is a deficient number, since it is larger than the sum of its proper divisors (20728289838277).

53686844868635 is a wasteful number, since it uses less digits than its factorization.

53686844868635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57419085454.

The product of its digits is 19110297600, while the sum is 80.

The spelling of 53686844868635 in words is "fifty-three trillion, six hundred eighty-six billion, eight hundred forty-four million, eight hundred sixty-eight thousand, six hundred thirty-five".