55223001300 has 144 divisors (see below), whose sum is σ = 163110935232. Its totient is φ = 14421580800.

The previous prime is 55223001299. The next prime is 55223001349. The reversal of 55223001300 is 310032255.

It is a congruent number.

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, 3469360 + ... + 3485240.

It is an arithmetic number, because the mean of its divisors is an integer number (1132714828).

Almost surely, 2^55223001300 is an apocalyptic number.

55223001300 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 55223001300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81555467616).

55223001300 is an abundant number, since it is smaller than the sum of its proper divisors (107887933932).

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

55223001300 is a wasteful number, since it uses less digits than its factorization.

55223001300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16138 (or 16131 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

Adding to 55223001300 its reverse (310032255), we get a palindrome (55533033555).

The spelling of 55223001300 in words is "fifty-five billion, two hundred twenty-three million, one thousand, three hundred".