53885554268369 has 2 divisors, whose sum is σ = 53885554268370. Its totient is φ = 53885554268368.

The previous prime is 53885554268339. The next prime is 53885554268467. The reversal of 53885554268369 is 96386245558835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53515296622225 + 370257646144 = 7315415^2 + 608488^2 .

It is a cyclic number.

It is not a de Polignac number, because 53885554268369 - 2³² = 53881259301073 is a prime.

It is a super-2 number, since 2×53885554268369² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53885554268369.

It is not a weakly prime, because it can be changed into another prime (53885554268339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26942777134184 + 26942777134185.

It is an arithmetic number, because the mean of its divisors is an integer number (26942777134185).

Almost surely, 2^{53885554268369} is an apocalyptic number.

It is an amenable number.

53885554268369 is a deficient number, since it is larger than the sum of its proper divisors (1).

53885554268369 is an equidigital number, since it uses as much as digits as its factorization.

53885554268369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960000, while the sum is 77.

The spelling of 53885554268369 in words is "fifty-three trillion, eight hundred eighty-five billion, five hundred fifty-four million, two hundred sixty-eight thousand, three hundred sixty-nine".