500005550555 has 16 divisors (see below), whose sum is σ = 685733416704. Its totient is φ = 342855189600.

The previous prime is 500005550521. The next prime is 500005550593. The reversal of 500005550555 is 555055500005.

It is not a de Polignac number, because 500005550555 - 2²² = 500001356251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 15 ways as a sum of consecutive naturals, for example, 3765524 + ... + 3896046.

It is an arithmetic number, because the mean of its divisors is an integer number (42858338544).

Almost surely, 2^500005550555 is an apocalyptic number.

500005550555 is a deficient number, since it is larger than the sum of its proper divisors (185727866149).

500005550555 is a wasteful number, since it uses less digits than its factorization.

500005550555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239986.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 500005550555 in words is "five hundred billion, five million, five hundred fifty thousand, five hundred fifty-five".