550122545491 has 2 divisors, whose sum is σ = 550122545492. Its totient is φ = 550122545490.

The previous prime is 550122545449. The next prime is 550122545537. The reversal of 550122545491 is 194545221055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550122545491 - 2¹³ = 550122537299 is a prime.

It is not a weakly prime, because it can be changed into another prime (550122545431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275061272745 + 275061272746.

It is an arithmetic number, because the mean of its divisors is an integer number (275061272746).

Almost surely, 2^550122545491 is an apocalyptic number.

550122545491 is a deficient number, since it is larger than the sum of its proper divisors (1).

550122545491 is an equidigital number, since it uses as much as digits as its factorization.

550122545491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 550122545491 in words is "five hundred fifty billion, one hundred twenty-two million, five hundred forty-five thousand, four hundred ninety-one".