550049165 has 4 divisors (see below), whose sum is σ = 660059004. Its totient is φ = 440039328.

The previous prime is 550049147. The next prime is 550049173. The reversal of 550049165 is 561940055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 219573124 + 330476041 = 14818^2 + 18179^2 .

It is a cyclic number.

It is not a de Polignac number, because 550049165 - 2²⁰ = 549000589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55004912 + ... + 55004921.

It is an arithmetic number, because the mean of its divisors is an integer number (165014751).

Almost surely, 2^550049165 is an apocalyptic number.

It is an amenable number.

550049165 is a deficient number, since it is larger than the sum of its proper divisors (110009839).

550049165 is a wasteful number, since it uses less digits than its factorization.

550049165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110009838.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 550049165 is about 23453.1269770152. The cubic root of 550049165 is about 819.3456831643.

The spelling of 550049165 in words is "five hundred fifty million, forty-nine thousand, one hundred sixty-five".