50821959971 has 8 divisors (see below), whose sum is σ = 51512709120. Its totient is φ = 50132396808.

The previous prime is 50821959931. The next prime is 50821959973. The reversal of 50821959971 is 17995912805.

50821959971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 50821959971 - 2³⁴ = 33642090787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50821959973) 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, 210041 + ... + 381786.

It is an arithmetic number, because the mean of its divisors is an integer number (6439088640).

Almost surely, 2^50821959971 is an apocalyptic number.

50821959971 is a deficient number, since it is larger than the sum of its proper divisors (690749149).

50821959971 is a wasteful number, since it uses less digits than its factorization.

50821959971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592993.

The product of its (nonzero) digits is 2041200, while the sum is 56.

The spelling of 50821959971 in words is "fifty billion, eight hundred twenty-one million, nine hundred fifty-nine thousand, nine hundred seventy-one".