550905795497 has 2 divisors, whose sum is σ = 550905795498. Its totient is φ = 550905795496.

The previous prime is 550905795487. The next prime is 550905795521. The reversal of 550905795497 is 794597509055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539055513616 + 11850281881 = 734204^2 + 108859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550905795497 is a prime.

It is not a weakly prime, because it can be changed into another prime (550905795487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275452897748 + 275452897749.

It is an arithmetic number, because the mean of its divisors is an integer number (275452897749).

Almost surely, 2^550905795497 is an apocalyptic number.

It is an amenable number.

550905795497 is a deficient number, since it is larger than the sum of its proper divisors (1).

550905795497 is an equidigital number, since it uses as much as digits as its factorization.

550905795497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 89302500, while the sum is 65.

The spelling of 550905795497 in words is "five hundred fifty billion, nine hundred five million, seven hundred ninety-five thousand, four hundred ninety-seven".