50005987 has 2 divisors, whose sum is σ = 50005988. Its totient is φ = 50005986.

The previous prime is 50005961. The next prime is 50005997. The reversal of 50005987 is 78950005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50005987 - 2⁷ = 50005859 is a prime.

It is not a weakly prime, because it can be changed into another prime (50005927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25002993 + 25002994.

It is an arithmetic number, because the mean of its divisors is an integer number (25002994).

Almost surely, 2^50005987 is an apocalyptic number.

50005987 is a deficient number, since it is larger than the sum of its proper divisors (1).

50005987 is an equidigital number, since it uses as much as digits as its factorization.

50005987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 50005987 is about 7071.4911440233. The cubic root of 50005987 is about 368.4178534749.

The spelling of 50005987 in words is "fifty million, five thousand, nine hundred eighty-seven".