50667779 has 2 divisors, whose sum is σ = 50667780. Its totient is φ = 50667778.

The previous prime is 50667719. The next prime is 50667791. The reversal of 50667779 is 97776605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50667779 - 2¹⁶ = 50602243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50667709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25333889 + 25333890.

It is an arithmetic number, because the mean of its divisors is an integer number (25333890).

Almost surely, 2^50667779 is an apocalyptic number.

50667779 is a deficient number, since it is larger than the sum of its proper divisors (1).

50667779 is an equidigital number, since it uses as much as digits as its factorization.

50667779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 555660, while the sum is 47.

The square root of 50667779 is about 7118.1303022634. The cubic root of 50667779 is about 370.0359814046.

The spelling of 50667779 in words is "fifty million, six hundred sixty-seven thousand, seven hundred seventy-nine".