550515104453 has 2 divisors, whose sum is σ = 550515104454. Its totient is φ = 550515104452.

The previous prime is 550515104449. The next prime is 550515104471. The reversal of 550515104453 is 354401515055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 403501907524 + 147013196929 = 635218^2 + 383423^2 .

It is a cyclic number.

It is not a de Polignac number, because 550515104453 - 2² = 550515104449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550515104053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275257552226 + 275257552227.

It is an arithmetic number, because the mean of its divisors is an integer number (275257552227).

Almost surely, 2^550515104453 is an apocalyptic number.

It is an amenable number.

550515104453 is a deficient number, since it is larger than the sum of its proper divisors (1).

550515104453 is an equidigital number, since it uses as much as digits as its factorization.

550515104453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 550515104453 in words is "five hundred fifty billion, five hundred fifteen million, one hundred four thousand, four hundred fifty-three".