51224235453 has 6 divisors (see below), whose sum is σ = 73990562334. Its totient is φ = 34149490296.

The previous prime is 51224235451. The next prime is 51224235487. The reversal of 51224235453 is 35453242215.

51224235453 is a `hidden beast` number, since 5 + 12 + 242 + 354 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28295613369 + 22928622084 = 168213^2 + 151422^2 .

It is not a de Polignac number, because 51224235453 - 2¹ = 51224235451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51224235451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2845790850 + ... + 2845790867.

It is an arithmetic number, because the mean of its divisors is an integer number (12331760389).

Almost surely, 2^51224235453 is an apocalyptic number.

It is an amenable number.

51224235453 is a deficient number, since it is larger than the sum of its proper divisors (22766326881).

51224235453 is a wasteful number, since it uses less digits than its factorization.

51224235453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5691581723 (or 5691581720 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

Adding to 51224235453 its reverse (35453242215), we get a palindrome (86677477668).

The spelling of 51224235453 in words is "fifty-one billion, two hundred twenty-four million, two hundred thirty-five thousand, four hundred fifty-three".