50055555500065 has 8 divisors (see below), whose sum is σ = 60181957709928. Its totient is φ = 39967583660160.

The previous prime is 50055555500039. The next prime is 50055555500099. The reversal of 50055555500065 is 56000555555005.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5696971769889 + 44358583730176 = 2386833^2 + 6660224^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50055555500065 - 2⁴⁵ = 14871183411233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50055555499988 and 50055555500024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9607589622 + ... + 9607594831.

It is an arithmetic number, because the mean of its divisors is an integer number (7522744713741).

Almost surely, 2^{50055555500065} is an apocalyptic number.

It is an amenable number.

50055555500065 is a deficient number, since it is larger than the sum of its proper divisors (10126402209863).

50055555500065 is a wasteful number, since it uses less digits than its factorization.

50055555500065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19215184979.

The product of its (nonzero) digits is 2343750, while the sum is 46.

The spelling of 50055555500065 in words is "fifty trillion, fifty-five billion, five hundred fifty-five million, five hundred thousand, sixty-five".