500055555550 has 24 divisors (see below), whose sum is σ = 979056142200. Its totient is φ = 189494736480.

The previous prime is 500055555533. The next prime is 500055555589. The reversal of 500055555550 is 55555550005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263186185 + ... + 263188084.

It is an arithmetic number, because the mean of its divisors is an integer number (40794005925).

Almost surely, 2^500055555550 is an apocalyptic number.

500055555550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

500055555550 is a deficient number, since it is larger than the sum of its proper divisors (479000586650).

500055555550 is a wasteful number, since it uses less digits than its factorization.

500055555550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526374300 (or 526374295 counting only the distinct ones).

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 500055555550 in words is "five hundred billion, fifty-five million, five hundred fifty-five thousand, five hundred fifty".