553565505323 has 2 divisors, whose sum is σ = 553565505324. Its totient is φ = 553565505322.

The previous prime is 553565505319. The next prime is 553565505349. The reversal of 553565505323 is 323505565355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 553565505323 - 2² = 553565505319 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (553565505313) 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, 276782752661 + 276782752662.

It is an arithmetic number, because the mean of its divisors is an integer number (276782752662).

Almost surely, 2^553565505323 is an apocalyptic number.

553565505323 is a deficient number, since it is larger than the sum of its proper divisors (1).

553565505323 is an equidigital number, since it uses as much as digits as its factorization.

553565505323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5062500, while the sum is 47.

The spelling of 553565505323 in words is "five hundred fifty-three billion, five hundred sixty-five million, five hundred five thousand, three hundred twenty-three".