55545414203200 has 168 divisors, whose sum is σ = 144701563194720. Its totient is φ = 20927117260800.

The previous prime is 55545414203141. The next prime is 55545414203203. The reversal of 55545414203200 is 230241454555.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55545414203203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21586 + ... + 10539985.

It is an arithmetic number, because the mean of its divisors is an integer number (861318828540).

Almost surely, 2^{55545414203200} is an apocalyptic number.

55545414203200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55545414203200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72350781597360).

55545414203200 is an abundant number, since it is smaller than the sum of its proper divisors (89156148991520).

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

55545414203200 is a wasteful number, since it uses less digits than its factorization.

55545414203200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10561785 (or 10561770 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 55545414203200 its reverse (230241454555), we get a palindrome (55775655657755).

The spelling of 55545414203200 in words is "fifty-five trillion, five hundred forty-five billion, four hundred fourteen million, two hundred three thousand, two hundred".