55532230200 has 144 divisors (see below), whose sum is σ = 186913818000. Its totient is φ = 14775398400.

The previous prime is 55532230163. The next prime is 55532230231. The reversal of 55532230200 is 203223555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 773845 + ... + 842555.

It is an arithmetic number, because the mean of its divisors is an integer number (1298012625).

Almost surely, 2^55532230200 is an apocalyptic number.

55532230200 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 55532230200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93456909000).

55532230200 is an abundant number, since it is smaller than the sum of its proper divisors (131381587800).

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

55532230200 is a wasteful number, since it uses less digits than its factorization.

55532230200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69182 (or 69170 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

Adding to 55532230200 its reverse (203223555), we get a palindrome (55735453755).

The spelling of 55532230200 in words is "fifty-five billion, five hundred thirty-two million, two hundred thirty thousand, two hundred".