550511165 has 8 divisors (see below), whose sum is σ = 660847200. Its totient is φ = 440253072.

The previous prime is 550511083. The next prime is 550511189. The reversal of 550511165 is 561115055.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 550511165 - 2¹⁰ = 550510141 is a prime.

It is a Curzon 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, 2615 + ... + 33284.

It is an arithmetic number, because the mean of its divisors is an integer number (82605900).

Almost surely, 2^550511165 is an apocalyptic number.

It is an amenable number.

550511165 is a deficient number, since it is larger than the sum of its proper divisors (110336035).

550511165 is a wasteful number, since it uses less digits than its factorization.

550511165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38971.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 550511165 is about 23462.9743425679. The cubic root of 550511165 is about 819.5750152544.

The spelling of 550511165 in words is "five hundred fifty million, five hundred eleven thousand, one hundred sixty-five".