550161050609 has 2 divisors, whose sum is σ = 550161050610. Its totient is φ = 550161050608.

The previous prime is 550161050603. The next prime is 550161050639. The reversal of 550161050609 is 906050161055.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 470451951025 + 79709099584 = 685895^2 + 282328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550161050609 is a prime.

It is not a weakly prime, because it can be changed into another prime (550161050603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275080525304 + 275080525305.

It is an arithmetic number, because the mean of its divisors is an integer number (275080525305).

Almost surely, 2^550161050609 is an apocalyptic number.

It is an amenable number.

550161050609 is a deficient number, since it is larger than the sum of its proper divisors (1).

550161050609 is an equidigital number, since it uses as much as digits as its factorization.

550161050609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 38.

The spelling of 550161050609 in words is "five hundred fifty billion, one hundred sixty-one million, fifty thousand, six hundred nine".