2005500559 has 4 divisors (see below), whose sum is σ = 2111053240. Its totient is φ = 1899947880.

The previous prime is 2005500547. The next prime is 2005500583. The reversal of 2005500559 is 9550055002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9550055002 = 2 ⋅4775027501.

It is a cyclic number.

It is not a de Polignac number, because 2005500559 - 2¹⁹ = 2004976271 is a prime.

It is a super-3 number, since 3×2005500559³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2005500559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005500859) 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, 52776312 + ... + 52776349.

It is an arithmetic number, because the mean of its divisors is an integer number (527763310).

Almost surely, 2^2005500559 is an apocalyptic number.

2005500559 is a deficient number, since it is larger than the sum of its proper divisors (105552681).

2005500559 is a wasteful number, since it uses less digits than its factorization.

2005500559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105552680.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 2005500559 is about 44782.8154429799. The cubic root of 2005500559 is about 1261.0750376227.

The spelling of 2005500559 in words is "two billion, five million, five hundred thousand, five hundred fifty-nine".