50743289 has 2 divisors, whose sum is σ = 50743290. Its totient is φ = 50743288.

The previous prime is 50743279. The next prime is 50743307. The reversal of 50743289 is 98234705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34421689 + 16321600 = 5867^2 + 4040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50743289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50743229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25371644 + 25371645.

It is an arithmetic number, because the mean of its divisors is an integer number (25371645).

Almost surely, 2^50743289 is an apocalyptic number.

It is an amenable number.

50743289 is a deficient number, since it is larger than the sum of its proper divisors (1).

50743289 is an equidigital number, since it uses as much as digits as its factorization.

50743289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 50743289 is about 7123.4323889541. The cubic root of 50743289 is about 370.2197112402.

The spelling of 50743289 in words is "fifty million, seven hundred forty-three thousand, two hundred eighty-nine".