55055105551000 has 64 divisors (see below), whose sum is σ = 128919229901280. Its totient is φ = 22006609244800.

The previous prime is 55055105550923. The next prime is 55055105551009. The reversal of 55055105551000 is 15550155055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055105551009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17863507 + ... + 20717506.

Almost surely, 2^{55055105551000} is an apocalyptic number.

55055105551000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55055105551000 is an abundant number, since it is smaller than the sum of its proper divisors (73864124350280).

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

55055105551000 is a wasteful number, since it uses less digits than its factorization.

55055105551000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38582461 (or 38582447 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 37.

The spelling of 55055105551000 in words is "fifty-five trillion, fifty-five billion, one hundred five million, five hundred fifty-one thousand".