50305501221 has 16 divisors (see below), whose sum is σ = 70630645440. Its totient is φ = 31760000640.

The previous prime is 50305501219. The next prime is 50305501249. The reversal of 50305501221 is 12210550305.

It is a happy number.

It is not a de Polignac number, because 50305501221 - 2¹ = 50305501219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50305501191 and 50305501200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50305501271) 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, 10360 + ... + 317361.

It is an arithmetic number, because the mean of its divisors is an integer number (4414415340).

Almost surely, 2^50305501221 is an apocalyptic number.

It is an amenable number.

50305501221 is a deficient number, since it is larger than the sum of its proper divisors (20325144219).

50305501221 is a wasteful number, since it uses less digits than its factorization.

50305501221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330436.

The product of its (nonzero) digits is 1500, while the sum is 24.

The spelling of 50305501221 in words is "fifty billion, three hundred five million, five hundred one thousand, two hundred twenty-one".