50657987 has 2 divisors, whose sum is σ = 50657988. Its totient is φ = 50657986.

The previous prime is 50657951. The next prime is 50658007. The reversal of 50657987 is 78975605.

It is a happy number.

50657987 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 50657987 - 2⁸ = 50657731 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50657927) 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, 25328993 + 25328994.

It is an arithmetic number, because the mean of its divisors is an integer number (25328994).

Almost surely, 2^50657987 is an apocalyptic number.

50657987 is a deficient number, since it is larger than the sum of its proper divisors (1).

50657987 is an equidigital number, since it uses as much as digits as its factorization.

50657987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 50657987 is about 7117.4424479584. The cubic root of 50657987 is about 370.0121422847.

The spelling of 50657987 in words is "fifty million, six hundred fifty-seven thousand, nine hundred eighty-seven".