50050039721 has 8 divisors (see below), whose sum is σ = 54601941888. Its totient is φ = 45498454000.

The previous prime is 50050039717. The next prime is 50050039729. The reversal of 50050039721 is 12793005005.

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 50050039721 - 2² = 50050039717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50050039729) 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, 355376 + ... + 475806.

It is an arithmetic number, because the mean of its divisors is an integer number (6825242736).

Almost surely, 2^50050039721 is an apocalyptic number.

It is an amenable number.

50050039721 is a deficient number, since it is larger than the sum of its proper divisors (4551902167).

50050039721 is a wasteful number, since it uses less digits than its factorization.

50050039721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158223.

The product of its (nonzero) digits is 9450, while the sum is 32.

The spelling of 50050039721 in words is "fifty billion, fifty million, thirty-nine thousand, seven hundred twenty-one".