55530401300 has 144 divisors (see below), whose sum is σ = 141320954880. Its totient is φ = 18722736000.

The previous prime is 55530401287. The next prime is 55530401321. The reversal of 55530401300 is 310403555.

It is a self number, because there is not a number n which added to its sum of digits gives 55530401300.

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, 954035 + ... + 1010565.

It is an arithmetic number, because the mean of its divisors is an integer number (981395520).

Almost surely, 2^55530401300 is an apocalyptic number.

55530401300 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 55530401300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70660477440).

55530401300 is an abundant number, since it is smaller than the sum of its proper divisors (85790553580).

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

55530401300 is a wasteful number, since it uses less digits than its factorization.

55530401300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56622 (or 56615 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 55530401300 its reverse (310403555), we get a palindrome (55840804855).

The spelling of 55530401300 in words is "fifty-five billion, five hundred thirty million, four hundred one thousand, three hundred".