50505050505500 has 24 divisors (see below), whose sum is σ = 110303030305104. Its totient is φ = 20202020202000.

The previous prime is 50505050505451. The next prime is 50505050505523. The reversal of 50505050505500 is 550505050505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50505050006 + ... + 50505051005.

It is an arithmetic number, because the mean of its divisors is an integer number (4595959596046).

Almost surely, 2^{50505050505500} is an apocalyptic number.

50505050505500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50505050505500 is an abundant number, since it is smaller than the sum of its proper divisors (59797979799604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50505050505500 is a wasteful number, since it uses less digits than its factorization.

50505050505500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101010101030 (or 101010101018 counting only the distinct ones).

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

The spelling of 50505050505500 in words is "fifty trillion, five hundred five billion, fifty million, five hundred five thousand, five hundred".