50149247 has 2 divisors, whose sum is σ = 50149248. Its totient is φ = 50149246.

The previous prime is 50149219. The next prime is 50149271. The reversal of 50149247 is 74294105.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50149247 - 2⁸ = 50148991 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50149277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25074623 + 25074624.

It is an arithmetic number, because the mean of its divisors is an integer number (25074624).

Almost surely, 2^50149247 is an apocalyptic number.

50149247 is a deficient number, since it is larger than the sum of its proper divisors (1).

50149247 is an equidigital number, since it uses as much as digits as its factorization.

50149247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 50149247 is about 7081.6133048903. The cubic root of 50149247 is about 368.7693395200.

The spelling of 50149247 in words is "fifty million, one hundred forty-nine thousand, two hundred forty-seven".