50005505555 has 16 divisors (see below), whose sum is σ = 60449022144. Its totient is φ = 39710121600.

The previous prime is 50005505527. The next prime is 50005505567. The reversal of 50005505555 is 55550550005.

It is a de Polignac number, because none of the positive numbers 2^k-50005505555 is a prime.

It is a super-2 number, since 2×50005505555² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 571205 + ... + 652905.

It is an arithmetic number, because the mean of its divisors is an integer number (3778063884).

Almost surely, 2^50005505555 is an apocalyptic number.

50005505555 is a deficient number, since it is larger than the sum of its proper divisors (10443516589).

50005505555 is a wasteful number, since it uses less digits than its factorization.

50005505555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82606.

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

The spelling of 50005505555 in words is "fifty billion, five million, five hundred five thousand, five hundred fifty-five".