50055555505 has 4 divisors (see below), whose sum is σ = 60066666612. Its totient is φ = 40044444400.

The previous prime is 50055555503. The next prime is 50055555559. The reversal of 50055555505 is 50555555005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13034332224 + 37021223281 = 114168^2 + 192409^2 .

It is not a de Polignac number, because 50055555505 - 2¹ = 50055555503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50055555503) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5005555546 + ... + 5005555555.

It is an arithmetic number, because the mean of its divisors is an integer number (15016666653).

Almost surely, 2^50055555505 is an apocalyptic number.

It is an amenable number.

50055555505 is a deficient number, since it is larger than the sum of its proper divisors (10011111107).

50055555505 is a wasteful number, since it uses less digits than its factorization.

50055555505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10011111106.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 50055555505 in words is "fifty billion, fifty-five million, five hundred fifty-five thousand, five hundred five".