550917173 has 2 divisors, whose sum is σ = 550917174. Its totient is φ = 550917172.

The previous prime is 550917119. The next prime is 550917251. The reversal of 550917173 is 371719055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469068964 + 81848209 = 21658^2 + 9047^2 .

It is a cyclic number.

It is not a de Polignac number, because 550917173 - 2⁶ = 550917109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550917373) 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, 275458586 + 275458587.

It is an arithmetic number, because the mean of its divisors is an integer number (275458587).

Almost surely, 2^550917173 is an apocalyptic number.

It is an amenable number.

550917173 is a deficient number, since it is larger than the sum of its proper divisors (1).

550917173 is an equidigital number, since it uses as much as digits as its factorization.

550917173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33075, while the sum is 38.

The square root of 550917173 is about 23471.6248478881. The cubic root of 550917173 is about 819.7764475863.

The spelling of 550917173 in words is "five hundred fifty million, nine hundred seventeen thousand, one hundred seventy-three".