2005005550 has 24 divisors (see below), whose sum is σ = 3739343256. Its totient is φ = 799844640.

The previous prime is 2005005547. The next prime is 2005005553. The reversal of 2005005550 is 555005002.

2005005550 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2005005547) and next prime (2005005553).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005005553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35104 + ... + 72403.

It is an arithmetic number, because the mean of its divisors is an integer number (155805969).

Almost surely, 2^2005005550 is an apocalyptic number.

2005005550 is a deficient number, since it is larger than the sum of its proper divisors (1734337706).

2005005550 is a wasteful number, since it uses less digits than its factorization.

2005005550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107892 (or 107887 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 22.

The square root of 2005005550 is about 44777.2883279012. The cubic root of 2005005550 is about 1260.9712738587.

The spelling of 2005005550 in words is "two billion, five million, five thousand, five hundred fifty".