550610505617 has 2 divisors, whose sum is σ = 550610505618. Its totient is φ = 550610505616.

The previous prime is 550610505593. The next prime is 550610505647. The reversal of 550610505617 is 716505016055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 460014923536 + 90595582081 = 678244^2 + 300991^2 .

It is a cyclic number.

It is not a de Polignac number, because 550610505617 - 2¹⁸ = 550610243473 is a prime.

It is not a weakly prime, because it can be changed into another prime (550610505647) 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, 275305252808 + 275305252809.

It is an arithmetic number, because the mean of its divisors is an integer number (275305252809).

Almost surely, 2^550610505617 is an apocalyptic number.

It is an amenable number.

550610505617 is a deficient number, since it is larger than the sum of its proper divisors (1).

550610505617 is an equidigital number, since it uses as much as digits as its factorization.

550610505617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157500, while the sum is 41.

The spelling of 550610505617 in words is "five hundred fifty billion, six hundred ten million, five hundred five thousand, six hundred seventeen".