550315405 has 4 divisors (see below), whose sum is σ = 660378492. Its totient is φ = 440252320.

The previous prime is 550315387. The next prime is 550315417. The reversal of 550315405 is 504513055.

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 403929604 + 146385801 = 20098^2 + 12099^2 .

It is not a de Polignac number, because 550315405 - 2⁷ = 550315277 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55031536 + ... + 55031545.

It is an arithmetic number, because the mean of its divisors is an integer number (165094623).

Almost surely, 2^550315405 is an apocalyptic number.

It is an amenable number.

550315405 is a deficient number, since it is larger than the sum of its proper divisors (110063087).

550315405 is a wasteful number, since it uses less digits than its factorization.

550315405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110063086.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 550315405 is about 23458.8022925298. The cubic root of 550315405 is about 819.4778576572.

The spelling of 550315405 in words is "five hundred fifty million, three hundred fifteen thousand, four hundred five".