50005555505 has 16 divisors (see below), whose sum is σ = 64578058704. Its totient is φ = 37034004480.

The previous prime is 50005555499. The next prime is 50005555507. The reversal of 50005555505 is 50555550005.

It can be written as a sum of positive squares in 8 ways, for example, as 7622686864 + 42382868641 = 87308^2 + 205871^2 .

It is not a de Polignac number, because 50005555505 - 2¹⁶ = 50005489969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50005555507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4816952 + ... + 4827321.

It is an arithmetic number, because the mean of its divisors is an integer number (4036128669).

Almost surely, 2^50005555505 is an apocalyptic number.

It is an amenable number.

50005555505 is a deficient number, since it is larger than the sum of its proper divisors (14572503199).

50005555505 is a wasteful number, since it uses less digits than its factorization.

50005555505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9644356.

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

The spelling of 50005555505 in words is "fifty billion, five million, five hundred fifty-five thousand, five hundred five".