550455409717 has 2 divisors, whose sum is σ = 550455409718. Its totient is φ = 550455409716.

The previous prime is 550455409681. The next prime is 550455409733. The reversal of 550455409717 is 717904554055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 380887699921 + 169567709796 = 617161^2 + 411786^2 .

It is a cyclic number.

It is not a de Polignac number, because 550455409717 - 2²⁷ = 550321191989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550455400717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275227704858 + 275227704859.

It is an arithmetic number, because the mean of its divisors is an integer number (275227704859).

Almost surely, 2^550455409717 is an apocalyptic number.

It is an amenable number.

550455409717 is a deficient number, since it is larger than the sum of its proper divisors (1).

550455409717 is an equidigital number, since it uses as much as digits as its factorization.

550455409717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410000, while the sum is 52.

The spelling of 550455409717 in words is "five hundred fifty billion, four hundred fifty-five million, four hundred nine thousand, seven hundred seventeen".