50350022421 has 16 divisors (see below), whose sum is σ = 67918824000. Its totient is φ = 33174297728.

The previous prime is 50350022417. The next prime is 50350022467. The reversal of 50350022421 is 12422005305.

It is a cyclic number.

It is not a de Polignac number, because 50350022421 - 2² = 50350022417 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50350022391 and 50350022400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50350022321) 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 15 ways as a sum of consecutive naturals, for example, 555130 + ... + 639428.

It is an arithmetic number, because the mean of its divisors is an integer number (4244926500).

Almost surely, 2^50350022421 is an apocalyptic number.

It is an amenable number.

50350022421 is a deficient number, since it is larger than the sum of its proper divisors (17568801579).

50350022421 is a wasteful number, since it uses less digits than its factorization.

50350022421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86628.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 50350022421 its reverse (12422005305), we get a palindrome (62772027726).

The spelling of 50350022421 in words is "fifty billion, three hundred fifty million, twenty-two thousand, four hundred twenty-one".