550338251 has 2 divisors, whose sum is σ = 550338252. Its totient is φ = 550338250.

The previous prime is 550338233. The next prime is 550338289. The reversal of 550338251 is 152833055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550338251 - 2¹⁴ = 550321867 is a prime.

It is equal to p_28862312 and since 550338251 and 28862312 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (550338221) 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, 275169125 + 275169126.

It is an arithmetic number, because the mean of its divisors is an integer number (275169126).

Almost surely, 2^550338251 is an apocalyptic number.

550338251 is a deficient number, since it is larger than the sum of its proper divisors (1).

550338251 is an equidigital number, since it uses as much as digits as its factorization.

550338251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 550338251 is about 23459.2892262319. The cubic root of 550338251 is about 819.4891975373.

The spelling of 550338251 in words is "five hundred fifty million, three hundred thirty-eight thousand, two hundred fifty-one".