50633987 has 2 divisors, whose sum is σ = 50633988. Its totient is φ = 50633986.

The previous prime is 50633983. The next prime is 50634037. The reversal of 50633987 is 78933605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50633987 - 2² = 50633983 is a prime.

It is not a weakly prime, because it can be changed into another prime (50633981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25316993 + 25316994.

It is an arithmetic number, because the mean of its divisors is an integer number (25316994).

Almost surely, 2^50633987 is an apocalyptic number.

50633987 is a deficient number, since it is larger than the sum of its proper divisors (1).

50633987 is an equidigital number, since it uses as much as digits as its factorization.

50633987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 50633987 is about 7115.7562493385. The cubic root of 50633987 is about 369.9537000745.

The spelling of 50633987 in words is "fifty million, six hundred thirty-three thousand, nine hundred eighty-seven".