51534733253 has 2 divisors, whose sum is σ = 51534733254. Its totient is φ = 51534733252.

The previous prime is 51534733231. The next prime is 51534733309. The reversal of 51534733253 is 35233743515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27074398849 + 24460334404 = 164543^2 + 156398^2 .

It is a cyclic number.

It is not a de Polignac number, because 51534733253 - 2¹² = 51534729157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51534733253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51534733213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25767366626 + 25767366627.

It is an arithmetic number, because the mean of its divisors is an integer number (25767366627).

Almost surely, 2^51534733253 is an apocalyptic number.

It is an amenable number.

51534733253 is a deficient number, since it is larger than the sum of its proper divisors (1).

51534733253 is an equidigital number, since it uses as much as digits as its factorization.

51534733253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 567000, while the sum is 41.

The spelling of 51534733253 in words is "fifty-one billion, five hundred thirty-four million, seven hundred thirty-three thousand, two hundred fifty-three".