550105505 has 8 divisors (see below), whose sum is σ = 661031592. Its totient is φ = 439481088.

The previous prime is 550105483. The next prime is 550105541. The reversal of 550105505 is 505501055.

It can be written as a sum of positive squares in 4 ways, for example, as 173396224 + 376709281 = 13168^2 + 19409^2 .

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 550105505 - 2¹⁰ = 550104481 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 71384 + ... + 78713.

It is an arithmetic number, because the mean of its divisors is an integer number (82628949).

Almost surely, 2^550105505 is an apocalyptic number.

It is an amenable number.

550105505 is a deficient number, since it is larger than the sum of its proper divisors (110926087).

550105505 is a wasteful number, since it uses less digits than its factorization.

550105505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150835.

The product of its (nonzero) digits is 3125, while the sum is 26.

The square root of 550105505 is about 23454.3280654126. The cubic root of 550105505 is about 819.3736566394.

The spelling of 550105505 in words is "five hundred fifty million, one hundred five thousand, five hundred five".