50505555005 has 8 divisors (see below), whose sum is σ = 62084877624. Its totient is φ = 39418969600.

The previous prime is 50505554971. The next prime is 50505555007. The reversal of 50505555005 is 50055550505.

It can be written as a sum of positive squares in 4 ways, for example, as 1532644 + 50504022361 = 1238^2 + 224731^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-50505555005 is a prime.

It is a super-2 number, since 2×50505555005² (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 (50505555007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123184076 + ... + 123184485.

It is an arithmetic number, because the mean of its divisors is an integer number (7760609703).

Almost surely, 2^50505555005 is an apocalyptic number.

It is an amenable number.

50505555005 is a deficient number, since it is larger than the sum of its proper divisors (11579322619).

50505555005 is a wasteful number, since it uses less digits than its factorization.

50505555005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246368607.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 50505555005 in words is "fifty billion, five hundred five million, five hundred fifty-five thousand, five".