505555005006 has 48 divisors (see below), whose sum is σ = 1097552671488.
Its totient is φ = 168182586000.
The previous prime is 505555004837. The next prime is 505555005047. The reversal of 505555005006 is 600500555505.
505555005006 is a `hidden beast` number, since 5 + 0 + 55 + 550 + 0 + 50 + 0 + 6 = 666.
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 23 ways as a sum of consecutive naturals, for example, 70693531 + ... + 70700681.
It is an arithmetic number, because the mean of its divisors is an integer number (22865680656).
Almost surely, 2505555005006 is an apocalyptic number.
505555005006 is an abundant number, since it is smaller than the sum of its proper divisors (591997666482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
505555005006 is a wasteful number, since it uses less digits than its factorization.
505555005006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14437 (or 14434 counting only the distinct ones).
The product of its (nonzero) digits is 93750, while the sum is 36.
The spelling of 505555005006 in words is "five hundred five billion, five hundred fifty-five million, five thousand, six".