50788813 has 2 divisors, whose sum is σ = 50788814. Its totient is φ = 50788812.

The previous prime is 50788739. The next prime is 50788841. The reversal of 50788813 is 31888705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29138404 + 21650409 = 5398^2 + 4653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50788813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50788883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25394406 + 25394407.

It is an arithmetic number, because the mean of its divisors is an integer number (25394407).

Almost surely, 2^50788813 is an apocalyptic number.

It is an amenable number.

50788813 is a deficient number, since it is larger than the sum of its proper divisors (1).

50788813 is an equidigital number, since it uses as much as digits as its factorization.

50788813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 50788813 is about 7126.6270422971. The cubic root of 50788813 is about 370.3303915216.

The spelling of 50788813 in words is "fifty million, seven hundred eighty-eight thousand, eight hundred thirteen".