50465331221 has 4 divisors (see below), whose sum is σ = 50467024512. Its totient is φ = 50463637932.

The previous prime is 50465331209. The next prime is 50465331239. The reversal of 50465331221 is 12213356405.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50465331221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50465330221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801125 + ... + 861818.

It is an arithmetic number, because the mean of its divisors is an integer number (12616756128).

Almost surely, 2^50465331221 is an apocalyptic number.

It is an amenable number.

50465331221 is a deficient number, since it is larger than the sum of its proper divisors (1693291).

50465331221 is a wasteful number, since it uses less digits than its factorization.

50465331221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693290.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 50465331221 its reverse (12213356405), we get a palindrome (62678687626).

The spelling of 50465331221 in words is "fifty billion, four hundred sixty-five million, three hundred thirty-one thousand, two hundred twenty-one".