52231059218 has 54 divisors (see below), whose sum is σ = 87880943871. Its totient is φ = 23270832000.

The previous prime is 52231059217. The next prime is 52231059227. The reversal of 52231059218 is 81295013225.

It can be written as a sum of positive squares in 5 ways, for example, as 40639737649 + 11591321569 = 201593^2 + 107663^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=161603.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52231059217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 130251818 + ... + 130252218.

Almost surely, 2^52231059218 is an apocalyptic number.

52231059218 is a deficient number, since it is larger than the sum of its proper divisors (35649884653).

52231059218 is an equidigital number, since it uses as much as digits as its factorization.

52231059218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 52231059218 in words is "fifty-two billion, two hundred thirty-one million, fifty-nine thousand, two hundred eighteen".