55500000100000 has 144 divisors (see below), whose sum is σ = 138218772244896. Its totient is φ = 21932526880000.

The previous prime is 55500000099983. The next prime is 55500000100021. The reversal of 55500000100000 is 100000555.

55500000100000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55500000100000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 23 ways as a sum of consecutive naturals, for example, 4956627 + ... + 11643373.

It is an arithmetic number, because the mean of its divisors is an integer number (959852585034).

Almost surely, 2^{55500000100000} is an apocalyptic number.

55500000100000 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 55500000100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69109386122448).

55500000100000 is an abundant number, since it is smaller than the sum of its proper divisors (82718772144896).

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

55500000100000 is an frugal number, since it uses more digits than its factorization.

55500000100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6686865 (or 6686837 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 16.

Adding to 55500000100000 its reverse (100000555), we get a palindrome (55500100100555).

The spelling of 55500000100000 in words is "fifty-five trillion, five hundred billion, one hundred thousand".