550343405 has 4 divisors (see below), whose sum is σ = 660412092. Its totient is φ = 440274720.

The previous prime is 550343399. The next prime is 550343407. The reversal of 550343405 is 504343055.

550343405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 297597001 + 252746404 = 17251^2 + 15898^2 .

It is not a de Polignac number, because 550343405 - 2¹⁰ = 550342381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550343407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55034336 + ... + 55034345.

It is an arithmetic number, because the mean of its divisors is an integer number (165103023).

Almost surely, 2^550343405 is an apocalyptic number.

It is an amenable number.

550343405 is a deficient number, since it is larger than the sum of its proper divisors (110068687).

550343405 is a wasteful number, since it uses less digits than its factorization.

550343405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110068686.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 550343405 is about 23459.3990758502. The cubic root of 550343405 is about 819.4917557422.

The spelling of 550343405 in words is "five hundred fifty million, three hundred forty-three thousand, four hundred five".