55323343100 has 144 divisors (see below), whose sum is σ = 134023921920. Its totient is φ = 19698969600.

The previous prime is 55323343087. The next prime is 55323343109. The reversal of 55323343100 is 134332355.

It is a super-2 number, since 2×55323343100² (a number of 22 digits) contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55323343109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28649135 + ... + 28651065.

It is an arithmetic number, because the mean of its divisors is an integer number (930721680).

Almost surely, 2^55323343100 is an apocalyptic number.

55323343100 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 55323343100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67011960960).

55323343100 is an abundant number, since it is smaller than the sum of its proper divisors (78700578820).

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

55323343100 is a wasteful number, since it uses less digits than its factorization.

55323343100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868 (or 2861 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 29.

Adding to 55323343100 its reverse (134332355), we get a palindrome (55457675455).

The spelling of 55323343100 in words is "fifty-five billion, three hundred twenty-three million, three hundred forty-three thousand, one hundred".