50550550000020 has 72 divisors (see below), whose sum is σ = 175241906671104. Its totient is φ = 11554411428288.

The previous prime is 50550549999967. The next prime is 50550550000043. The reversal of 50550550000020 is 2000005505505.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20059740804 + ... + 20059743323.

It is an arithmetic number, because the mean of its divisors is an integer number (2433915370432).

Almost surely, 2^{50550550000020} is an apocalyptic number.

It is an amenable number.

50550550000020 is an abundant number, since it is smaller than the sum of its proper divisors (124691356671084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50550550000020 is a wasteful number, since it uses less digits than its factorization.

50550550000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40119484149 (or 40119484144 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

Adding to 50550550000020 its reverse (2000005505505), we get a palindrome (52550555505525).

The spelling of 50550550000020 in words is "fifty trillion, five hundred fifty billion, five hundred fifty million, twenty", and thus it is an aban number.