50321651 has 2 divisors, whose sum is σ = 50321652. Its totient is φ = 50321650.

The previous prime is 50321647. The next prime is 50321693. The reversal of 50321651 is 15612305.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50321651 - 2² = 50321647 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50321611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25160825 + 25160826.

It is an arithmetic number, because the mean of its divisors is an integer number (25160826).

Almost surely, 2^50321651 is an apocalyptic number.

50321651 is a deficient number, since it is larger than the sum of its proper divisors (1).

50321651 is an equidigital number, since it uses as much as digits as its factorization.

50321651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 50321651 is about 7093.7755109673. The cubic root of 50321651 is about 369.1914435136.

Adding to 50321651 its reverse (15612305), we get a palindrome (65933956).

The spelling of 50321651 in words is "fifty million, three hundred twenty-one thousand, six hundred fifty-one".