53686670005 has 4 divisors (see below), whose sum is σ = 64424004012. Its totient is φ = 42949336000.

The previous prime is 53686669999. The next prime is 53686670017. The reversal of 53686670005 is 50007668635.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38733782481 + 14952887524 = 196809^2 + 122282^2 .

It is not a de Polignac number, because 53686670005 - 2¹⁹ = 53686145717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5368666996 + ... + 5368667005.

It is an arithmetic number, because the mean of its divisors is an integer number (16106001003).

Almost surely, 2^53686670005 is an apocalyptic number.

It is an amenable number.

53686670005 is a deficient number, since it is larger than the sum of its proper divisors (10737334007).

53686670005 is a wasteful number, since it uses less digits than its factorization.

53686670005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10737334006.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 53686670005 in words is "fifty-three billion, six hundred eighty-six million, six hundred seventy thousand, five".