50505555589 has 8 divisors (see below), whose sum is σ = 51026469120. Its totient is φ = 49985688816.

The previous prime is 50505555577. The next prime is 50505555613. The reversal of 50505555589 is 98555550505.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 50505555589 - 2⁷ = 50505555461 is a prime.

It is a super-2 number, since 2×50505555589² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505555509) 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 in 7 ways as a sum of consecutive naturals, for example, 164509 + ... + 357874.

It is an arithmetic number, because the mean of its divisors is an integer number (6378308640).

Almost surely, 2^50505555589 is an apocalyptic number.

It is an amenable number.

50505555589 is a deficient number, since it is larger than the sum of its proper divisors (520913531).

50505555589 is a wasteful number, since it uses less digits than its factorization.

50505555589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523379.

The product of its (nonzero) digits is 5625000, while the sum is 52.

The spelling of 50505555589 in words is "fifty billion, five hundred five million, five hundred fifty-five thousand, five hundred eighty-nine".