550500229 has 2 divisors, whose sum is σ = 550500230. Its totient is φ = 550500228.

The previous prime is 550500221. The next prime is 550500257. The reversal of 550500229 is 922005055.

It is an a-pointer prime, because the next prime (550500257) can be obtained adding 550500229 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 501849604 + 48650625 = 22402^2 + 6975^2 .

It is a cyclic number.

It is not a de Polignac number, because 550500229 - 2³ = 550500221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550500197 and 550500206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550500221) 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, 275250114 + 275250115.

It is an arithmetic number, because the mean of its divisors is an integer number (275250115).

Almost surely, 2^550500229 is an apocalyptic number.

It is an amenable number.

550500229 is a deficient number, since it is larger than the sum of its proper divisors (1).

550500229 is an equidigital number, since it uses as much as digits as its factorization.

550500229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 550500229 is about 23462.7412933783. The cubic root of 550500229 is about 819.5695882184.

The spelling of 550500229 in words is "five hundred fifty million, five hundred thousand, two hundred twenty-nine".