55555005000550 has 24 divisors (see below), whose sum is σ = 112726155602232. Its totient is φ = 20201820000000.

The previous prime is 55555005000491. The next prime is 55555005000581. The reversal of 55555005000550 is 5500050055555.

55555005000550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55555005000550² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50504549451 + ... + 50504550550.

It is an arithmetic number, because the mean of its divisors is an integer number (4696923150093).

Almost surely, 2^{55555005000550} is an apocalyptic number.

55555005000550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55555005000550 is an abundant number, since it is smaller than the sum of its proper divisors (57171150601682).

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

55555005000550 is a wasteful number, since it uses less digits than its factorization.

55555005000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101009100024 (or 101009100019 counting only the distinct ones).

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

The spelling of 55555005000550 in words is "fifty-five trillion, five hundred fifty-five billion, five million, five hundred fifty", and thus it is an aban number.