55500005552550 has 96 divisors (see below), whose sum is σ = 150315421697280. Its totient is φ = 13469123740800.

The previous prime is 55500005552549. The next prime is 55500005552569. The reversal of 55500005552550 is 5525550000555.

55500005552550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 200294940 + ... + 200571839.

It is an arithmetic number, because the mean of its divisors is an integer number (1565785642680).

Almost surely, 2^{55500005552550} is an apocalyptic number.

55500005552550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55500005552550 is an abundant number, since it is smaller than the sum of its proper divisors (94815416144730).

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

55500005552550 is a wasteful number, since it uses less digits than its factorization.

55500005552550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400866878 (or 400866873 counting only the distinct ones).

The product of its (nonzero) digits is 781250, while the sum is 42.

The spelling of 55500005552550 in words is "fifty-five trillion, five hundred billion, five million, five hundred fifty-two thousand, five hundred fifty".