5550445091040 has 192 divisors, whose sum is σ = 18051102720000. Its totient is φ = 1432118661120.

The previous prime is 5550445090999. The next prime is 5550445091047. The reversal of 5550445091040 is 401905440555.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5550445090983 and 5550445091001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550445091047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92478961 + ... + 92538959.

It is an arithmetic number, because the mean of its divisors is an integer number (94016160000).

Almost surely, 2^{5550445091040} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5550445091040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9025551360000).

5550445091040 is an abundant number, since it is smaller than the sum of its proper divisors (12500657628960).

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

5550445091040 is a wasteful number, since it uses less digits than its factorization.

5550445091040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66265 (or 66257 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 5550445091040 in words is "five trillion, five hundred fifty billion, four hundred forty-five million, ninety-one thousand, forty".