50985619 has 2 divisors, whose sum is σ = 50985620. Its totient is φ = 50985618.

The previous prime is 50985611. The next prime is 50985637. The reversal of 50985619 is 91658905.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50985619 - 2³ = 50985611 is a prime.

It is a super-2 number, since 2×50985619² = 5199066689626322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50985611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25492809 + 25492810.

It is an arithmetic number, because the mean of its divisors is an integer number (25492810).

Almost surely, 2^50985619 is an apocalyptic number.

50985619 is a deficient number, since it is larger than the sum of its proper divisors (1).

50985619 is an equidigital number, since it uses as much as digits as its factorization.

50985619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 43.

The square root of 50985619 is about 7140.4214861589. The cubic root of 50985619 is about 370.8081168338.

The spelling of 50985619 in words is "fifty million, nine hundred eighty-five thousand, six hundred nineteen".