50202091 has 2 divisors, whose sum is σ = 50202092. Its totient is φ = 50202090.

The previous prime is 50202083. The next prime is 50202107. The reversal of 50202091 is 19020205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50202091 - 2³ = 50202083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50202391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25101045 + 25101046.

It is an arithmetic number, because the mean of its divisors is an integer number (25101046).

Almost surely, 2^50202091 is an apocalyptic number.

50202091 is a deficient number, since it is larger than the sum of its proper divisors (1).

50202091 is an equidigital number, since it uses as much as digits as its factorization.

50202091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 50202091 is about 7085.3433932308. The cubic root of 50202091 is about 368.8988223960.

Adding to 50202091 its reverse (19020205), we get a palindrome (69222296).

The spelling of 50202091 in words is "fifty million, two hundred two thousand, ninety-one".