50443404721 has 8 divisors (see below), whose sum is σ = 53038290600. Its totient is φ = 47905549440.

The previous prime is 50443404691. The next prime is 50443404727. The reversal of 50443404721 is 12740434405.

It can be written as a sum of positive squares in 4 ways, for example, as 160275600 + 50283129121 = 12660^2 + 224239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50443404721 - 2⁵ = 50443404689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50443404727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14255836 + ... + 14259373.

It is an arithmetic number, because the mean of its divisors is an integer number (6629786325).

Almost surely, 2^50443404721 is an apocalyptic number.

It is an amenable number.

50443404721 is a deficient number, since it is larger than the sum of its proper divisors (2594885879).

50443404721 is a wasteful number, since it uses less digits than its factorization.

50443404721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28515299.

The product of its (nonzero) digits is 53760, while the sum is 34.

The spelling of 50443404721 in words is "fifty billion, four hundred forty-three million, four hundred four thousand, seven hundred twenty-one".