50628961 has 2 divisors, whose sum is σ = 50628962. Its totient is φ = 50628960.

The previous prime is 50628953. The next prime is 50628971. The reversal of 50628961 is 16982605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48790225 + 1838736 = 6985^2 + 1356^2 .

It is a cyclic number.

It is not a de Polignac number, because 50628961 - 2³ = 50628953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50628961.

It is not a weakly prime, because it can be changed into another prime (50628971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25314480 + 25314481.

It is an arithmetic number, because the mean of its divisors is an integer number (25314481).

Almost surely, 2^50628961 is an apocalyptic number.

It is an amenable number.

50628961 is a deficient number, since it is larger than the sum of its proper divisors (1).

50628961 is an equidigital number, since it uses as much as digits as its factorization.

50628961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 50628961 is about 7115.4030806413. The cubic root of 50628961 is about 369.9414589632.

The spelling of 50628961 in words is "fifty million, six hundred twenty-eight thousand, nine hundred sixty-one".