50909312413221 has 32 divisors (see below), whose sum is σ = 70040664336000. Its totient is φ = 32876457873408.

The previous prime is 50909312413187. The next prime is 50909312413229. The reversal of 50909312413221 is 12231421390905.

It is a happy number.

It is not a de Polignac number, because 50909312413221 - 2⁹ = 50909312412709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50909312413229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11969685 + ... + 15655413.

It is an arithmetic number, because the mean of its divisors is an integer number (2188770760500).

Almost surely, 2^{50909312413221} is an apocalyptic number.

It is an amenable number.

50909312413221 is a deficient number, since it is larger than the sum of its proper divisors (19131351922779).

50909312413221 is a wasteful number, since it uses less digits than its factorization.

50909312413221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686933.

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 50909312413221 in words is "fifty trillion, nine hundred nine billion, three hundred twelve million, four hundred thirteen thousand, two hundred twenty-one".