50027891 has 4 divisors (see below), whose sum is σ = 50204952. Its totient is φ = 49850832.

The previous prime is 50027867. The next prime is 50027897. The reversal of 50027891 is 19872005.

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 50027891 - 2⁶ = 50027827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50027897) 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, 88106 + ... + 88671.

It is an arithmetic number, because the mean of its divisors is an integer number (12551238).

Almost surely, 2^50027891 is an apocalyptic number.

50027891 is a deficient number, since it is larger than the sum of its proper divisors (177061).

50027891 is a wasteful number, since it uses less digits than its factorization.

50027891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177060.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 50027891 is about 7073.0397284336. The cubic root of 50027891 is about 368.4716380126.

Adding to 50027891 its reverse (19872005), we get a palindrome (69899896).

The spelling of 50027891 in words is "fifty million, twenty-seven thousand, eight hundred ninety-one".