50555221020000 has 360 divisors, whose sum is σ = 179675782269984. Its totient is φ = 13479495552000.

The previous prime is 50555221019971. The next prime is 50555221020011. The reversal of 50555221020000 is 2012255505.

50555221020000 is a `hidden beast` number, since 5 + 0 + 5 + 552 + 2 + 102 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1672724889 + ... + 1672755111.

Almost surely, 2^{50555221020000} is an apocalyptic number.

50555221020000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50555221020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89837891134992).

50555221020000 is an abundant number, since it is smaller than the sum of its proper divisors (129120561249984).

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

50555221020000 is a wasteful number, since it uses less digits than its factorization.

50555221020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39552 (or 39526 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

Adding to 50555221020000 its reverse (2012255505), we get a palindrome (50557233275505).

The spelling of 50555221020000 in words is "fifty trillion, five hundred fifty-five billion, two hundred twenty-one million, twenty thousand".