50006361721 has 16 divisors (see below), whose sum is σ = 51333534720. Its totient is φ = 48690573120.

The previous prime is 50006361707. The next prime is 50006361799. The reversal of 50006361721 is 12716360005.

50006361721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50006361721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50006361701) 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, 19555375 + ... + 19557931.

It is an arithmetic number, because the mean of its divisors is an integer number (3208345920).

Almost surely, 2^50006361721 is an apocalyptic number.

It is an amenable number.

50006361721 is a deficient number, since it is larger than the sum of its proper divisors (1327172999).

50006361721 is a wasteful number, since it uses less digits than its factorization.

50006361721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584.

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 50006361721 in words is "fifty billion, six million, three hundred sixty-one thousand, seven hundred twenty-one".