50943649 has 2 divisors, whose sum is σ = 50943650. Its totient is φ = 50943648.

The previous prime is 50943647. The next prime is 50943661. The reversal of 50943649 is 94634905.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45468049 + 5475600 = 6743^2 + 2340^2 .

It is a cyclic number.

It is not a de Polignac number, because 50943649 - 2¹ = 50943647 is a prime.

Together with 50943647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50943647) 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, 25471824 + 25471825.

It is an arithmetic number, because the mean of its divisors is an integer number (25471825).

Almost surely, 2^50943649 is an apocalyptic number.

It is an amenable number.

50943649 is a deficient number, since it is larger than the sum of its proper divisors (1).

50943649 is an equidigital number, since it uses as much as digits as its factorization.

50943649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 50943649 is about 7137.4819789615. The cubic root of 50943649 is about 370.7063424562.

The spelling of 50943649 in words is "fifty million, nine hundred forty-three thousand, six hundred forty-nine".