50985287 has 2 divisors, whose sum is σ = 50985288. Its totient is φ = 50985286.

The previous prime is 50985251. The next prime is 50985353. The reversal of 50985287 is 78258905.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50985287 - 2⁸ = 50985031 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 (50985787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25492643 + 25492644.

It is an arithmetic number, because the mean of its divisors is an integer number (25492644).

Almost surely, 2^50985287 is an apocalyptic number.

50985287 is a deficient number, since it is larger than the sum of its proper divisors (1).

50985287 is an equidigital number, since it uses as much as digits as its factorization.

50985287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 50985287 is about 7140.3982381937. The cubic root of 50985287 is about 370.8073119757.

The spelling of 50985287 in words is "fifty million, nine hundred eighty-five thousand, two hundred eighty-seven".