50705538571 has 4 divisors (see below), whose sum is σ = 50748042312. Its totient is φ = 50663034832.

The previous prime is 50705538551. The next prime is 50705538581. The reversal of 50705538571 is 17583550705.

50705538571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50705538571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50705538551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21250081 + ... + 21252466.

It is an arithmetic number, because the mean of its divisors is an integer number (12687010578).

Almost surely, 2^50705538571 is an apocalyptic number.

50705538571 is a deficient number, since it is larger than the sum of its proper divisors (42503741).

50705538571 is a wasteful number, since it uses less digits than its factorization.

50705538571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42503740.

The product of its (nonzero) digits is 735000, while the sum is 46.

The spelling of 50705538571 in words is "fifty billion, seven hundred five million, five hundred thirty-eight thousand, five hundred seventy-one".