550523317 has 2 divisors, whose sum is σ = 550523318. Its totient is φ = 550523316.

The previous prime is 550523299. The next prime is 550523339. The reversal of 550523317 is 713325055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490445316 + 60078001 = 22146^2 + 7751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550523317 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550523717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275261658 + 275261659.

It is an arithmetic number, because the mean of its divisors is an integer number (275261659).

Almost surely, 2^550523317 is an apocalyptic number.

It is an amenable number.

550523317 is a deficient number, since it is larger than the sum of its proper divisors (1).

550523317 is an equidigital number, since it uses as much as digits as its factorization.

550523317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 550523317 is about 23463.2333023392. The cubic root of 550523317 is about 819.5810456512.

The spelling of 550523317 in words is "five hundred fifty million, five hundred twenty-three thousand, three hundred seventeen".