53223443265545 has 12 divisors (see below), whose sum is σ = 74295582028164. Its totient is φ = 36496075381920.

The previous prime is 53223443265469. The next prime is 53223443265589. The reversal of 53223443265545 is 54556234432235.

It can be written as a sum of positive squares in 2 ways, for example, as 25147306354681 + 28076136910864 = 5014709^2 + 5298692^2 .

It is not a de Polignac number, because 53223443265545 - 2⁴⁴ = 35631257221129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108619271726 + ... + 108619272215.

It is an arithmetic number, because the mean of its divisors is an integer number (6191298502347).

Almost surely, 2^{53223443265545} is an apocalyptic number.

It is an amenable number.

53223443265545 is a deficient number, since it is larger than the sum of its proper divisors (21072138762619).

53223443265545 is a wasteful number, since it uses less digits than its factorization.

53223443265545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217238543960 (or 217238543953 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 53.

The spelling of 53223443265545 in words is "fifty-three trillion, two hundred twenty-three billion, four hundred forty-three million, two hundred sixty-five thousand, five hundred forty-five".