550055573 has 2 divisors, whose sum is σ = 550055574. Its totient is φ = 550055572.

The previous prime is 550055521. The next prime is 550055581. The reversal of 550055573 is 375550055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 549761809 + 293764 = 23447^2 + 542^2 .

It is a cyclic number.

It is not a de Polignac number, because 550055573 - 2¹⁸ = 549793429 is a prime.

It is a super-2 number, since 2×550055573² = 605122266776716658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550055273) 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, 275027786 + 275027787.

It is an arithmetic number, because the mean of its divisors is an integer number (275027787).

Almost surely, 2^550055573 is an apocalyptic number.

It is an amenable number.

550055573 is a deficient number, since it is larger than the sum of its proper divisors (1).

550055573 is an equidigital number, since it uses as much as digits as its factorization.

550055573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65625, while the sum is 35.

The square root of 550055573 is about 23453.2635895306. The cubic root of 550055573 is about 819.3488649082.

The spelling of 550055573 in words is "five hundred fifty million, fifty-five thousand, five hundred seventy-three".