5055555505550 has 48 divisors (see below), whose sum is σ = 10432049270400. Its totient is φ = 1807224760800.

The previous prime is 5055555505543. The next prime is 5055555505571. The reversal of 5055555505550 is 555055555505.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77865170 + ... + 77930069.

It is an arithmetic number, because the mean of its divisors is an integer number (217334359800).

Almost surely, 2^{5055555505550} is an apocalyptic number.

5055555505550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5055555505550 is an abundant number, since it is smaller than the sum of its proper divisors (5376493764850).

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

5055555505550 is a wasteful number, since it uses less digits than its factorization.

5055555505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155795321 (or 155795316 counting only the distinct ones).

The product of its (nonzero) digits is 9765625, while the sum is 50.

The spelling of 5055555505550 in words is "five trillion, fifty-five billion, five hundred fifty-five million, five hundred five thousand, five hundred fifty".