2550550505 has 4 divisors (see below), whose sum is σ = 3060660612. Its totient is φ = 2040440400.

The previous prime is 2550550469. The next prime is 2550550517. The reversal of 2550550505 is 5050550552.

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 1922997904 + 627552601 = 43852^2 + 25051^2 .

It is not a de Polignac number, because 2550550505 - 2¹⁰ = 2550549481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255055046 + ... + 255055055.

It is an arithmetic number, because the mean of its divisors is an integer number (765165153).

Almost surely, 2^2550550505 is an apocalyptic number.

It is an amenable number.

2550550505 is a deficient number, since it is larger than the sum of its proper divisors (510110107).

2550550505 is an equidigital number, since it uses as much as digits as its factorization.

2550550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510110106.

The product of its (nonzero) digits is 31250, while the sum is 32.

The square root of 2550550505 is about 50502.9752093874. The cubic root of 2550550505 is about 1366.2955144889.

The spelling of 2550550505 in words is "two billion, five hundred fifty million, five hundred fifty thousand, five hundred five".