50816189 has 2 divisors, whose sum is σ = 50816190. Its totient is φ = 50816188.

The previous prime is 50816173. The next prime is 50816201. The reversal of 50816189 is 98161805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34128964 + 16687225 = 5842^2 + 4085^2 .

It is a cyclic number.

It is not a de Polignac number, because 50816189 - 2⁴ = 50816173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50816159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25408094 + 25408095.

It is an arithmetic number, because the mean of its divisors is an integer number (25408095).

Almost surely, 2^50816189 is an apocalyptic number.

It is an amenable number.

50816189 is a deficient number, since it is larger than the sum of its proper divisors (1).

50816189 is an equidigital number, since it uses as much as digits as its factorization.

50816189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 50816189 is about 7128.5474677525. The cubic root of 50816189 is about 370.3969176140.

The spelling of 50816189 in words is "fifty million, eight hundred sixteen thousand, one hundred eighty-nine".