50081149 has 2 divisors, whose sum is σ = 50081150. Its totient is φ = 50081148.

The previous prime is 50081123. The next prime is 50081159. The reversal of 50081149 is 94118005.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39564100 + 10517049 = 6290^2 + 3243^2 .

It is a cyclic number.

It is not a de Polignac number, because 50081149 - 2¹¹ = 50079101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50081159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25040574 + 25040575.

It is an arithmetic number, because the mean of its divisors is an integer number (25040575).

Almost surely, 2^50081149 is an apocalyptic number.

It is an amenable number.

50081149 is a deficient number, since it is larger than the sum of its proper divisors (1).

50081149 is an equidigital number, since it uses as much as digits as its factorization.

50081149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 50081149 is about 7076.8035863658. The cubic root of 50081149 is about 368.6023457873.

The spelling of 50081149 in words is "fifty million, eighty-one thousand, one hundred forty-nine".