53223443265531 has 32 divisors (see below), whose sum is σ = 88488161280000. Its totient is φ = 27644533512480.

The previous prime is 53223443265469. The next prime is 53223443265589. The reversal of 53223443265531 is 13556234432235.

It is a happy number.

It is not a de Polignac number, because 53223443265531 - 2⁷ = 53223443265403 is a prime.

It is a super-2 number, since 2×53223443265531² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53223443265731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15104731 + ... + 18292068.

It is an arithmetic number, because the mean of its divisors is an integer number (2765255040000).

Almost surely, 2^{53223443265531} is an apocalyptic number.

53223443265531 is a deficient number, since it is larger than the sum of its proper divisors (35264718014469).

53223443265531 is a wasteful number, since it uses less digits than its factorization.

53223443265531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33403719.

The product of its digits is 7776000, while the sum is 48.

Adding to 53223443265531 its reverse (13556234432235), we get a palindrome (66779677697766).

The spelling of 53223443265531 in words is "fifty-three trillion, two hundred twenty-three billion, four hundred forty-three million, two hundred sixty-five thousand, five hundred thirty-one".