550504165 has 8 divisors (see below), whose sum is σ = 664424568. Its totient is φ = 437856960.

The previous prime is 550504159. The next prime is 550504177. The reversal of 550504165 is 561405055.

It can be written as a sum of positive squares in 4 ways, for example, as 291487329 + 259016836 = 17073^2 + 16094^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550504165 - 2⁵ = 550504133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317346 + ... + 319075.

It is an arithmetic number, because the mean of its divisors is an integer number (83053071).

Almost surely, 2^550504165 is an apocalyptic number.

It is an amenable number.

550504165 is a deficient number, since it is larger than the sum of its proper divisors (113920403).

550504165 is a wasteful number, since it uses less digits than its factorization.

550504165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636599.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 550504165 is about 23462.8251708953. The cubic root of 550504165 is about 819.5715414832.

The spelling of 550504165 in words is "five hundred fifty million, five hundred four thousand, one hundred sixty-five".