53885353688867 has 4 divisors (see below), whose sum is σ = 53887197149856. Its totient is φ = 53883510227880.

The previous prime is 53885353688863. The next prime is 53885353688893. The reversal of 53885353688867 is 76888635358835.

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

It is a cyclic number.

It is not a de Polignac number, because 53885353688867 - 2² = 53885353688863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53885353688863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921686648 + ... + 921745109.

It is an arithmetic number, because the mean of its divisors is an integer number (13471799287464).

Almost surely, 2^{53885353688867} is an apocalyptic number.

53885353688867 is a deficient number, since it is larger than the sum of its proper divisors (1843460989).

53885353688867 is a wasteful number, since it uses less digits than its factorization.

53885353688867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843460988.

The product of its digits is 27869184000, while the sum is 83.

The spelling of 53885353688867 in words is "fifty-three trillion, eight hundred eighty-five billion, three hundred fifty-three million, six hundred eighty-eight thousand, eight hundred sixty-seven".