550842233 has 2 divisors, whose sum is σ = 550842234. Its totient is φ = 550842232.

The previous prime is 550842221. The next prime is 550842239. The reversal of 550842233 is 332248055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 482812729 + 68029504 = 21973^2 + 8248^2 .

It is a cyclic number.

It is not a de Polignac number, because 550842233 - 2⁴ = 550842217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550842233.

It is not a weakly prime, because it can be changed into another prime (550842239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275421116 + 275421117.

It is an arithmetic number, because the mean of its divisors is an integer number (275421117).

Almost surely, 2^550842233 is an apocalyptic number.

It is an amenable number.

550842233 is a deficient number, since it is larger than the sum of its proper divisors (1).

550842233 is an equidigital number, since it uses as much as digits as its factorization.

550842233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 550842233 is about 23470.0283979377. The cubic root of 550842233 is about 819.7392751305.

The spelling of 550842233 in words is "five hundred fifty million, eight hundred forty-two thousand, two hundred thirty-three".