550228117 has 2 divisors, whose sum is σ = 550228118. Its totient is φ = 550228116.

The previous prime is 550228097. The next prime is 550228123. The reversal of 550228117 is 711822055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321341476 + 228886641 = 17926^2 + 15129^2 .

It is a cyclic number.

It is not a de Polignac number, because 550228117 - 2¹⁹ = 549703829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550228157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275114058 + 275114059.

It is an arithmetic number, because the mean of its divisors is an integer number (275114059).

Almost surely, 2^550228117 is an apocalyptic number.

It is an amenable number.

550228117 is a deficient number, since it is larger than the sum of its proper divisors (1).

550228117 is an equidigital number, since it uses as much as digits as its factorization.

550228117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 550228117 is about 23456.9417657119. The cubic root of 550228117 is about 819.4345283441.

The spelling of 550228117 in words is "five hundred fifty million, two hundred twenty-eight thousand, one hundred seventeen".