55005028005500 has 24 divisors (see below), whose sum is σ = 120130981165104. Its totient is φ = 22002011202000.

The previous prime is 55005028005491. The next prime is 55005028005511. The reversal of 55005028005500 is 550082050055.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 55005027506 + ... + 55005028505.

It is an arithmetic number, because the mean of its divisors is an integer number (5005457548546).

Almost surely, 2^{55005028005500} is an apocalyptic number.

55005028005500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55005028005500 is an abundant number, since it is smaller than the sum of its proper divisors (65125953159604).

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

55005028005500 is a wasteful number, since it uses less digits than its factorization.

55005028005500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110010056030 (or 110010056018 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 55005028005500 in words is "fifty-five trillion, five billion, twenty-eight million, five thousand, five hundred".