55022215134432 has 192 divisors, whose sum is σ = 178126138520064. Its totient is φ = 14481797621760.

The previous prime is 55022215134401. The next prime is 55022215134449. The reversal of 55022215134432 is 23443151222055.

55022215134432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 31 ways as a sum of consecutive naturals, for example, 2124403 + ... + 10703154.

It is an arithmetic number, because the mean of its divisors is an integer number (927740304792).

Almost surely, 2^{55022215134432} is an apocalyptic number.

55022215134432 is a gapful number since it is divisible by the number (52) 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 55022215134432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89063069260032).

55022215134432 is an abundant number, since it is smaller than the sum of its proper divisors (123103923385632).

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

55022215134432 is a wasteful number, since it uses less digits than its factorization.

55022215134432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12828081 (or 12828073 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 55022215134432 its reverse (23443151222055), we get a palindrome (78465366356487).

The spelling of 55022215134432 in words is "fifty-five trillion, twenty-two billion, two hundred fifteen million, one hundred thirty-four thousand, four hundred thirty-two".