50005559 has 2 divisors, whose sum is σ = 50005560. Its totient is φ = 50005558.

The previous prime is 50005531. The next prime is 50005577. The reversal of 50005559 is 95550005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50005559 - 2²⁴ = 33228343 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 (50005589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25002779 + 25002780.

It is an arithmetic number, because the mean of its divisors is an integer number (25002780).

Almost surely, 2^50005559 is an apocalyptic number.

50005559 is a deficient number, since it is larger than the sum of its proper divisors (1).

50005559 is an equidigital number, since it uses as much as digits as its factorization.

50005559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5625, while the sum is 29.

The square root of 50005559 is about 7071.4608816001. The cubic root of 50005559 is about 368.4168023788.

The spelling of 50005559 in words is "fifty million, five thousand, five hundred fifty-nine".