5050909091 has 4 divisors (see below), whose sum is σ = 5225078400. Its totient is φ = 4876739784.

The previous prime is 5050909027. The next prime is 5050909093. The reversal of 5050909091 is 1909090505.

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 5050909091 - 2⁶ = 5050909027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5050909093) 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, 87084611 + ... + 87084668.

It is an arithmetic number, because the mean of its divisors is an integer number (1306269600).

Almost surely, 2^5050909091 is an apocalyptic number.

5050909091 is a deficient number, since it is larger than the sum of its proper divisors (174169309).

5050909091 is a wasteful number, since it uses less digits than its factorization.

5050909091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174169308.

The product of its (nonzero) digits is 18225, while the sum is 38.

The square root of 5050909091 is about 71069.7480718765. The cubic root of 5050909091 is about 1715.7599151683.

Adding to 5050909091 its reverse (1909090505), we get a palindrome (6959999596).

The spelling of 5050909091 in words is "five billion, fifty million, nine hundred nine thousand, ninety-one".