55500005555500 has 96 divisors (see below), whose sum is σ = 133540507953216. Its totient is φ = 19982000000000.

The previous prime is 55500005555483. The next prime is 55500005555503. The reversal of 55500005555500 is 555550000555.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (55500005555503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49399501 + ... + 50510500.

It is an arithmetic number, because the mean of its divisors is an integer number (1391046957846).

Almost surely, 2^{55500005555500} is an apocalyptic number.

55500005555500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55500005555500 is an abundant number, since it is smaller than the sum of its proper divisors (78040502397716).

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

55500005555500 is a wasteful number, since it uses less digits than its factorization.

55500005555500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99910132 (or 99910120 counting only the distinct ones).

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

The spelling of 55500005555500 in words is "fifty-five trillion, five hundred billion, five million, five hundred fifty-five thousand, five hundred".