55115320423300 has 144 divisors (see below), whose sum is σ = 123512233586112. Its totient is φ = 21337117401600.

The previous prime is 55115320423297. The next prime is 55115320423321. The reversal of 55115320423300 is 332402351155.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 290679127 + ... + 290868673.

It is an arithmetic number, because the mean of its divisors is an integer number (857723844348).

Almost surely, 2^{55115320423300} is an apocalyptic number.

55115320423300 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 55115320423300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61756116793056).

55115320423300 is an abundant number, since it is smaller than the sum of its proper divisors (68396913162812).

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

55115320423300 is a wasteful number, since it uses less digits than its factorization.

55115320423300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190358 (or 190351 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 55115320423300 its reverse (332402351155), we get a palindrome (55447722774455).

The spelling of 55115320423300 in words is "fifty-five trillion, one hundred fifteen billion, three hundred twenty million, four hundred twenty-three thousand, three hundred".