50664401 has 2 divisors, whose sum is σ = 50664402. Its totient is φ = 50664400.

The previous prime is 50664373. The next prime is 50664413. The reversal of 50664401 is 10446605.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45212176 + 5452225 = 6724^2 + 2335^2 .

It is a cyclic number.

It is not a de Polignac number, because 50664401 - 2¹⁸ = 50402257 is a prime.

It is not a weakly prime, because it can be changed into another prime (50664451) 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, 25332200 + 25332201.

It is an arithmetic number, because the mean of its divisors is an integer number (25332201).

Almost surely, 2^50664401 is an apocalyptic number.

It is an amenable number.

50664401 is a deficient number, since it is larger than the sum of its proper divisors (1).

50664401 is an equidigital number, since it uses as much as digits as its factorization.

50664401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 50664401 is about 7117.8930168976. The cubic root of 50664401 is about 370.0277578396.

The spelling of 50664401 in words is "fifty million, six hundred sixty-four thousand, four hundred one".