50643413 has 2 divisors, whose sum is σ = 50643414. Its totient is φ = 50643412.

The previous prime is 50643407. The next prime is 50643433. The reversal of 50643413 is 31434605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45064369 + 5579044 = 6713^2 + 2362^2 .

It is a cyclic number.

It is not a de Polignac number, because 50643413 - 2⁸ = 50643157 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50643433) 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, 25321706 + 25321707.

It is an arithmetic number, because the mean of its divisors is an integer number (25321707).

Almost surely, 2^50643413 is an apocalyptic number.

It is an amenable number.

50643413 is a deficient number, since it is larger than the sum of its proper divisors (1).

50643413 is an equidigital number, since it uses as much as digits as its factorization.

50643413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 50643413 is about 7116.4185514906. The cubic root of 50643413 is about 369.9766554543.

The spelling of 50643413 in words is "fifty million, six hundred forty-three thousand, four hundred thirteen".