50689759 has 2 divisors, whose sum is σ = 50689760. Its totient is φ = 50689758.

The previous prime is 50689753. The next prime is 50689763. The reversal of 50689759 is 95798605.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50689759 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50689753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25344879 + 25344880.

It is an arithmetic number, because the mean of its divisors is an integer number (25344880).

Almost surely, 2^50689759 is an apocalyptic number.

50689759 is a deficient number, since it is larger than the sum of its proper divisors (1).

50689759 is an equidigital number, since it uses as much as digits as its factorization.

50689759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 50689759 is about 7119.6740796191. The cubic root of 50689759 is about 370.0894816449.

The spelling of 50689759 in words is "fifty million, six hundred eighty-nine thousand, seven hundred fifty-nine".