550049173 has 2 divisors, whose sum is σ = 550049174. Its totient is φ = 550049172.

The previous prime is 550049147. The next prime is 550049231. The reversal of 550049173 is 371940055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 390734289 + 159314884 = 19767^2 + 12622^2 .

It is a cyclic number.

It is not a de Polignac number, because 550049173 - 2¹⁷ = 549918101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550029173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275024586 + 275024587.

It is an arithmetic number, because the mean of its divisors is an integer number (275024587).

Almost surely, 2^550049173 is an apocalyptic number.

It is an amenable number.

550049173 is a deficient number, since it is larger than the sum of its proper divisors (1).

550049173 is an equidigital number, since it uses as much as digits as its factorization.

550049173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 550049173 is about 23453.1271475682. The cubic root of 550049173 is about 819.3456871365.

The spelling of 550049173 in words is "five hundred fifty million, forty-nine thousand, one hundred seventy-three".