550319155 has 8 divisors (see below), whose sum is σ = 699229152. Its totient is φ = 414357888.

The previous prime is 550319123. The next prime is 550319201. The reversal of 550319155 is 551913055.

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 550319155 - 2⁵ = 550319123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550319155.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3237087 + ... + 3237256.

It is an arithmetic number, because the mean of its divisors is an integer number (87403644).

Almost surely, 2^550319155 is an apocalyptic number.

550319155 is a deficient number, since it is larger than the sum of its proper divisors (148909997).

550319155 is a wasteful number, since it uses less digits than its factorization.

550319155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6474365.

The product of its (nonzero) digits is 16875, while the sum is 34.

The square root of 550319155 is about 23458.8822197478. The cubic root of 550319155 is about 819.4797190352.

The spelling of 550319155 in words is "five hundred fifty million, three hundred nineteen thousand, one hundred fifty-five".