550605563 has 2 divisors, whose sum is σ = 550605564. Its totient is φ = 550605562.

The previous prime is 550605521. The next prime is 550605577. The reversal of 550605563 is 365506055.

550605563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550605563 - 2¹⁸ = 550343419 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (550605463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275302781 + 275302782.

It is an arithmetic number, because the mean of its divisors is an integer number (275302782).

Almost surely, 2^550605563 is an apocalyptic number.

550605563 is a deficient number, since it is larger than the sum of its proper divisors (1).

550605563 is an equidigital number, since it uses as much as digits as its factorization.

550605563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67500, while the sum is 35.

The square root of 550605563 is about 23464.9858938803. The cubic root of 550605563 is about 819.6218576714.

The spelling of 550605563 in words is "five hundred fifty million, six hundred five thousand, five hundred sixty-three".