550650605 has 4 divisors (see below), whose sum is σ = 660780732. Its totient is φ = 440520480.

The previous prime is 550650601. The next prime is 550650629. The reversal of 550650605 is 506056055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 506056055 = 5 ⋅101211211.

It can be written as a sum of positive squares in 2 ways, for example, as 412658596 + 137992009 = 20314^2 + 11747^2 .

It is not a de Polignac number, because 550650605 - 2² = 550650601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550650601) by changing a digit.

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, 55065056 + ... + 55065065.

It is an arithmetic number, because the mean of its divisors is an integer number (165195183).

Almost surely, 2^550650605 is an apocalyptic number.

It is an amenable number.

550650605 is a deficient number, since it is larger than the sum of its proper divisors (110130127).

550650605 is a wasteful number, since it uses less digits than its factorization.

550650605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110130126.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 550650605 is about 23465.9456446997. The cubic root of 550650605 is about 819.6442066410.

The spelling of 550650605 in words is "five hundred fifty million, six hundred fifty thousand, six hundred five".