550561010563 has 2 divisors, whose sum is σ = 550561010564. Its totient is φ = 550561010562.

The previous prime is 550561010477. The next prime is 550561010663. The reversal of 550561010563 is 365010165055.

550561010563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550561010563 is a prime.

It is not a weakly prime, because it can be changed into another prime (550561010663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275280505281 + 275280505282.

It is an arithmetic number, because the mean of its divisors is an integer number (275280505282).

Almost surely, 2^550561010563 is an apocalyptic number.

550561010563 is a deficient number, since it is larger than the sum of its proper divisors (1).

550561010563 is an equidigital number, since it uses as much as digits as its factorization.

550561010563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67500, while the sum is 37.

The spelling of 550561010563 in words is "five hundred fifty billion, five hundred sixty-one million, ten thousand, five hundred sixty-three".