55232100000 has 864 divisors, whose sum is σ = 245070064512. Its totient is φ = 11462400000.

The previous prime is 55232099947. The next prime is 55232100023. The reversal of 55232100000 is 123255.

It is a happy number.

55232100000 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 (18).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 69299602 + ... + 69300398.

It is an arithmetic number, because the mean of its divisors is an integer number (283645908).

Almost surely, 2^55232100000 is an apocalyptic number.

55232100000 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 55232100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122535032256).

55232100000 is an abundant number, since it is smaller than the sum of its proper divisors (189837964512).

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

55232100000 is a wasteful number, since it uses less digits than its factorization.

55232100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 825 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

Adding to 55232100000 its reverse (123255), we get a palindrome (55232223255).

The spelling of 55232100000 in words is "fifty-five billion, two hundred thirty-two million, one hundred thousand".