50880091 has 4 divisors (see below), whose sum is σ = 51596784. Its totient is φ = 50163400.

The previous prime is 50880077. The next prime is 50880101. The reversal of 50880091 is 19008805.

50880091 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 50880091 - 2⁹ = 50879579 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50880491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358240 + ... + 358381.

It is an arithmetic number, because the mean of its divisors is an integer number (12899196).

Almost surely, 2^50880091 is an apocalyptic number.

50880091 is a deficient number, since it is larger than the sum of its proper divisors (716693).

50880091 is an equidigital number, since it uses as much as digits as its factorization.

50880091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716692.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 50880091 is about 7133.0281788312. The cubic root of 50880091 is about 370.5521121811.

Adding to 50880091 its reverse (19008805), we get a palindrome (69888896).

The spelling of 50880091 in words is "fifty million, eight hundred eighty thousand, ninety-one".