50555117 has 2 divisors, whose sum is σ = 50555118. Its totient is φ = 50555116.

The previous prime is 50555107. The next prime is 50555119. The reversal of 50555117 is 71155505.

50555117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43903876 + 6651241 = 6626^2 + 2579^2 .

It is a cyclic number.

It is not a de Polignac number, because 50555117 - 2⁴ = 50555101 is a prime.

Together with 50555119, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50555117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50555119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277558 + 25277559.

It is an arithmetic number, because the mean of its divisors is an integer number (25277559).

Almost surely, 2^50555117 is an apocalyptic number.

It is an amenable number.

50555117 is a deficient number, since it is larger than the sum of its proper divisors (1).

50555117 is an equidigital number, since it uses as much as digits as its factorization.

50555117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4375, while the sum is 29.

The square root of 50555117 is about 7110.2121627980. The cubic root of 50555117 is about 369.7615141996.

The spelling of 50555117 in words is "fifty million, five hundred fifty-five thousand, one hundred seventeen".