50840089 has 4 divisors (see below), whose sum is σ = 50855040. Its totient is φ = 50825140.

The previous prime is 50840059. The next prime is 50840099. The reversal of 50840089 is 98004805.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 50840089 - 2⁵ = 50840057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50840059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372 + ... + 10090.

It is an arithmetic number, because the mean of its divisors is an integer number (12713760).

Almost surely, 2^50840089 is an apocalyptic number.

It is an amenable number.

50840089 is a deficient number, since it is larger than the sum of its proper divisors (14951).

50840089 is an equidigital number, since it uses as much as digits as its factorization.

50840089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14950.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 50840089 is about 7130.2236290316. The cubic root of 50840089 is about 370.4549771880.

The spelling of 50840089 in words is "fifty million, eight hundred forty thousand, eighty-nine".