50203400554221 has 16 divisors (see below), whose sum is σ = 70221366495360. Its totient is φ = 31859694050240.

The previous prime is 50203400554187. The next prime is 50203400554267. The reversal of 50203400554221 is 12245500430205.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 50203400554221 - 2¹⁸ = 50203400292077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50203400504221) 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, 4063730310 + ... + 4063742663.

It is an arithmetic number, because the mean of its divisors is an integer number (4388835405960).

Almost surely, 2^{50203400554221} is an apocalyptic number.

It is an amenable number.

50203400554221 is a deficient number, since it is larger than the sum of its proper divisors (20017965941139).

50203400554221 is a wasteful number, since it uses less digits than its factorization.

50203400554221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8127473076.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 50203400554221 its reverse (12245500430205), we get a palindrome (62448900984426).

The spelling of 50203400554221 in words is "fifty trillion, two hundred three billion, four hundred million, five hundred fifty-four thousand, two hundred twenty-one".