50000387 has 2 divisors, whose sum is σ = 50000388. Its totient is φ = 50000386.

The previous prime is 50000347. The next prime is 50000389. The reversal of 50000387 is 78300005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50000387 - 2⁸ = 50000131 is a prime.

Together with 50000389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50000389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25000193 + 25000194.

It is an arithmetic number, because the mean of its divisors is an integer number (25000194).

Almost surely, 2^50000387 is an apocalyptic number.

50000387 is a deficient number, since it is larger than the sum of its proper divisors (1).

50000387 is an equidigital number, since it uses as much as digits as its factorization.

50000387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 50000387 is about 7071.0951768450. The cubic root of 50000387 is about 368.4041003417.

The spelling of 50000387 in words is "fifty million, three hundred eighty-seven", and thus it is an aban number.