55310200 has 96 divisors (see below), whose sum is σ = 144990720. Its totient is φ = 19440000.

The previous prime is 55310183. The next prime is 55310201. The reversal of 55310200 is 201355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55310201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67795 + ... + 68605.

It is an arithmetic number, because the mean of its divisors is an integer number (1510320).

Almost surely, 2^55310200 is an apocalyptic number.

55310200 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 55310200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72495360).

55310200 is an abundant number, since it is smaller than the sum of its proper divisors (89680520).

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

55310200 is a wasteful number, since it uses less digits than its factorization.

55310200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 55310200 is about 7437.0827614058. The cubic root of 55310200 is about 381.0088612190.

Adding to 55310200 its reverse (201355), we get a palindrome (55511555).

The spelling of 55310200 in words is "fifty-five million, three hundred ten thousand, two hundred".