505050055505 has 16 divisors (see below), whose sum is σ = 606705168384. Its totient is φ = 403610201280.

The previous prime is 505050055487. The next prime is 505050055513. The reversal of 505050055505 is 505550050505.

It is not a de Polignac number, because 505050055505 - 2³² = 500755088209 is a prime.

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, 21259664 + ... + 21283406.

It is an arithmetic number, because the mean of its divisors is an integer number (37919073024).

Almost surely, 2^505050055505 is an apocalyptic number.

It is an amenable number.

505050055505 is a deficient number, since it is larger than the sum of its proper divisors (101655112879).

505050055505 is a wasteful number, since it uses less digits than its factorization.

505050055505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28096.

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

The spelling of 505050055505 in words is "five hundred five billion, fifty million, fifty-five thousand, five hundred five".