53864435185 has 16 divisors (see below), whose sum is σ = 70525225152. Its totient is φ = 39167588800.

The previous prime is 53864435171. The next prime is 53864435227. The reversal of 53864435185 is 58153446835.

It is not a de Polignac number, because 53864435185 - 2⁵ = 53864435153 is a prime.

It is a Duffinian number.

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, 263442 + ... + 420868.

It is an arithmetic number, because the mean of its divisors is an integer number (4407826572).

Almost surely, 2^53864435185 is an apocalyptic number.

53864435185 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53864435185 is a deficient number, since it is larger than the sum of its proper divisors (16660789967).

53864435185 is a wasteful number, since it uses less digits than its factorization.

53864435185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163664.

The product of its digits is 6912000, while the sum is 52.

The spelling of 53864435185 in words is "fifty-three billion, eight hundred sixty-four million, four hundred thirty-five thousand, one hundred eighty-five".