50066669 has 2 divisors, whose sum is σ = 50066670. Its totient is φ = 50066668.

The previous prime is 50066659. The next prime is 50066677. The reversal of 50066669 is 96666005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41126569 + 8940100 = 6413^2 + 2990^2 .

It is a cyclic number.

It is not a de Polignac number, because 50066669 - 2⁸ = 50066413 is a prime.

It is a super-2 number, since 2×50066669² = 5013342689511122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50066659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25033334 + 25033335.

It is an arithmetic number, because the mean of its divisors is an integer number (25033335).

Almost surely, 2^50066669 is an apocalyptic number.

It is an amenable number.

50066669 is a deficient number, since it is larger than the sum of its proper divisors (1).

50066669 is an equidigital number, since it uses as much as digits as its factorization.

50066669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 50066669 is about 7075.7804516534. The cubic root of 50066669 is about 368.5668176058.

The spelling of 50066669 in words is "fifty million, sixty-six thousand, six hundred sixty-nine".