50040149 has 2 divisors, whose sum is σ = 50040150. Its totient is φ = 50040148.

The previous prime is 50040143. The next prime is 50040227. The reversal of 50040149 is 94104005.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48790225 + 1249924 = 6985^2 + 1118^2 .

It is a cyclic number.

It is not a de Polignac number, because 50040149 - 2⁸ = 50039893 is a prime.

It is equal to p_3003359 and since 50040149 and 3003359 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50040143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25020074 + 25020075.

It is an arithmetic number, because the mean of its divisors is an integer number (25020075).

Almost surely, 2^50040149 is an apocalyptic number.

It is an amenable number.

50040149 is a deficient number, since it is larger than the sum of its proper divisors (1).

50040149 is an equidigital number, since it uses as much as digits as its factorization.

50040149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 50040149 is about 7073.9062052023. The cubic root of 50040149 is about 368.5017302698.

The spelling of 50040149 in words is "fifty million, forty thousand, one hundred forty-nine".