50870489 has 2 divisors, whose sum is σ = 50870490. Its totient is φ = 50870488.

The previous prime is 50870483. The next prime is 50870527. The reversal of 50870489 is 98407805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45427600 + 5442889 = 6740^2 + 2333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50870489 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50870483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25435244 + 25435245.

It is an arithmetic number, because the mean of its divisors is an integer number (25435245).

Almost surely, 2^50870489 is an apocalyptic number.

It is an amenable number.

50870489 is a deficient number, since it is larger than the sum of its proper divisors (1).

50870489 is an equidigital number, since it uses as much as digits as its factorization.

50870489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 50870489 is about 7132.3550808972. The cubic root of 50870489 is about 370.5288007368.

The spelling of 50870489 in words is "fifty million, eight hundred seventy thousand, four hundred eighty-nine".