50005255585 has 8 divisors (see below), whose sum is σ = 60009239016. Its totient is φ = 40002249600.

The previous prime is 50005255543. The next prime is 50005255589. The reversal of 50005255585 is 58555250005.

It can be written as a sum of positive squares in 4 ways, for example, as 3442520929 + 46562734656 = 58673^2 + 215784^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50005255585 - 2²¹ = 50003158433 is a prime.

It is a super-2 number, since 2×50005255585² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50005255589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126654 + ... + 340663.

It is an arithmetic number, because the mean of its divisors is an integer number (7501154877).

Almost surely, 2^50005255585 is an apocalyptic number.

It is an amenable number.

50005255585 is a deficient number, since it is larger than the sum of its proper divisors (10003983431).

50005255585 is a wasteful number, since it uses less digits than its factorization.

50005255585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488723.

The product of its (nonzero) digits is 250000, while the sum is 40.

The spelling of 50005255585 in words is "fifty billion, five million, two hundred fifty-five thousand, five hundred eighty-five".