50027566891 has 4 divisors (see below), whose sum is σ = 50044591800. Its totient is φ = 50010541984.

The previous prime is 50027566889. The next prime is 50027566909. The reversal of 50027566891 is 19866572005.

50027566891 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 not a de Polignac number, because 50027566891 - 2¹ = 50027566889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50027566861) 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, 8508046 + ... + 8513923.

It is an arithmetic number, because the mean of its divisors is an integer number (12511147950).

Almost surely, 2^50027566891 is an apocalyptic number.

50027566891 is a deficient number, since it is larger than the sum of its proper divisors (17024909).

50027566891 is a wasteful number, since it uses less digits than its factorization.

50027566891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17024908.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 50027566891 in words is "fifty billion, twenty-seven million, five hundred sixty-six thousand, eight hundred ninety-one".