50505505555 has 8 divisors (see below), whose sum is σ = 61231417632. Its totient is φ = 39987863808.

The previous prime is 50505505543. The next prime is 50505505571. The reversal of 50505505555 is 55550550505.

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 50505505555 - 2¹³ = 50505497363 is a prime.

It is a super-2 number, since 2×50505505555² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 52067047 + ... + 52068016.

It is an arithmetic number, because the mean of its divisors is an integer number (7653927204).

Almost surely, 2^50505505555 is an apocalyptic number.

50505505555 is a deficient number, since it is larger than the sum of its proper divisors (10725912077).

50505505555 is a wasteful number, since it uses less digits than its factorization.

50505505555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104135165.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 50505505555 in words is "fifty billion, five hundred five million, five hundred five thousand, five hundred fifty-five".