551353450253 has 2 divisors, whose sum is σ = 551353450254. Its totient is φ = 551353450252.

The previous prime is 551353450213. The next prime is 551353450261. The reversal of 551353450253 is 352054353155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475352333764 + 76001116489 = 689458^2 + 275683^2 .

It is a cyclic number.

It is not a de Polignac number, because 551353450253 - 2⁶ = 551353450189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 551353450253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551353450213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275676725126 + 275676725127.

It is an arithmetic number, because the mean of its divisors is an integer number (275676725127).

Almost surely, 2^551353450253 is an apocalyptic number.

It is an amenable number.

551353450253 is a deficient number, since it is larger than the sum of its proper divisors (1).

551353450253 is an equidigital number, since it uses as much as digits as its factorization.

551353450253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675000, while the sum is 41.

The spelling of 551353450253 in words is "five hundred fifty-one billion, three hundred fifty-three million, four hundred fifty thousand, two hundred fifty-three".