550165551 has 8 divisors (see below), whose sum is σ = 789981360. Its totient is φ = 338563392.

The previous prime is 550165541. The next prime is 550165571. The reversal of 550165551 is 155561055.

550165551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 550165551 - 2⁵ = 550165519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550165541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7053366 + ... + 7053443.

It is an arithmetic number, because the mean of its divisors is an integer number (98747670).

Almost surely, 2^550165551 is an apocalyptic number.

550165551 is a deficient number, since it is larger than the sum of its proper divisors (239815809).

550165551 is a wasteful number, since it uses less digits than its factorization.

550165551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14106825.

The product of its (nonzero) digits is 18750, while the sum is 33.

The square root of 550165551 is about 23455.6080927355. The cubic root of 550165551 is about 819.4034680847.

The spelling of 550165551 in words is "five hundred fifty million, one hundred sixty-five thousand, five hundred fifty-one".