550830505 has 8 divisors (see below), whose sum is σ = 667811592. Its totient is φ = 436121088.

The previous prime is 550830491. The next prime is 550830509. The reversal of 550830505 is 505038055.

It can be written as a sum of positive squares in 4 ways, for example, as 100160064 + 450670441 = 10008^2 + 21229^2 .

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 550830505 - 2¹¹ = 550828457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550830509) by changing a digit.

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, 567382 + ... + 568351.

It is an arithmetic number, because the mean of its divisors is an integer number (83476449).

Almost surely, 2^550830505 is an apocalyptic number.

It is an amenable number.

550830505 is a deficient number, since it is larger than the sum of its proper divisors (116981087).

550830505 is a wasteful number, since it uses less digits than its factorization.

550830505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135835.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 550830505 is about 23469.7785460366. The cubic root of 550830505 is about 819.7334573906.

The spelling of 550830505 in words is "five hundred fifty million, eight hundred thirty thousand, five hundred five".