50512789 has 2 divisors, whose sum is σ = 50512790. Its totient is φ = 50512788.

The previous prime is 50512771. The next prime is 50512793. The reversal of 50512789 is 98721505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40640625 + 9872164 = 6375^2 + 3142^2 .

It is a cyclic number.

It is not a de Polignac number, because 50512789 - 2¹⁷ = 50381717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50512799) 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, 25256394 + 25256395.

It is an arithmetic number, because the mean of its divisors is an integer number (25256395).

Almost surely, 2^50512789 is an apocalyptic number.

It is an amenable number.

50512789 is a deficient number, since it is larger than the sum of its proper divisors (1).

50512789 is an equidigital number, since it uses as much as digits as its factorization.

50512789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 50512789 is about 7107.2349757131. The cubic root of 50512789 is about 369.6582893339.

The spelling of 50512789 in words is "fifty million, five hundred twelve thousand, seven hundred eighty-nine".