50249987 has 2 divisors, whose sum is σ = 50249988. Its totient is φ = 50249986.

The previous prime is 50249957. The next prime is 50249993. The reversal of 50249987 is 78994205.

It is a happy number.

50249987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50249987 - 2⁶ = 50249923 is a prime.

It is a super-2 number, since 2×50249987² = 5050122387000338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50249957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25124993 + 25124994.

It is an arithmetic number, because the mean of its divisors is an integer number (25124994).

Almost surely, 2^50249987 is an apocalyptic number.

50249987 is a deficient number, since it is larger than the sum of its proper divisors (1).

50249987 is an equidigital number, since it uses as much as digits as its factorization.

50249987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 50249987 is about 7088.7225224296. The cubic root of 50249987 is about 369.0161027826.

The spelling of 50249987 in words is "fifty million, two hundred forty-nine thousand, nine hundred eighty-seven".