53223443265533 has 16 divisors (see below), whose sum is σ = 54726969722880. Its totient is φ = 51723376848000.

The previous prime is 53223443265469. The next prime is 53223443265589. The reversal of 53223443265533 is 33556234432235.

It is not a de Polignac number, because 53223443265533 - 2⁶ = 53223443265469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53223443255533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106660028 + ... + 107157866.

It is an arithmetic number, because the mean of its divisors is an integer number (3420435607680).

Almost surely, 2^{53223443265533} is an apocalyptic number.

It is an amenable number.

53223443265533 is a deficient number, since it is larger than the sum of its proper divisors (1503526457347).

53223443265533 is a wasteful number, since it uses less digits than its factorization.

53223443265533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501308.

The product of its digits is 23328000, while the sum is 50.

Adding to 53223443265533 its reverse (33556234432235), we get a palindrome (86779677697768).

The spelling of 53223443265533 in words is "fifty-three trillion, two hundred twenty-three billion, four hundred forty-three million, two hundred sixty-five thousand, five hundred thirty-three".