55000200 has 96 divisors (see below), whose sum is σ = 176060160. Its totient is φ = 14188800.

The previous prime is 55000189. The next prime is 55000207. The reversal of 55000200 is 200055.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17122 + ... + 20078.

It is an arithmetic number, because the mean of its divisors is an integer number (1833960).

Almost surely, 2^55000200 is an apocalyptic number.

55000200 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 55000200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88030080).

55000200 is an abundant number, since it is smaller than the sum of its proper divisors (121059960).

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

55000200 is a wasteful number, since it uses less digits than its factorization.

55000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007 (or 2998 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 12.

The square root of 55000200 is about 7416.2119710807. The cubic root of 55000200 is about 380.2957070395.

Adding to 55000200 its reverse (200055), we get a palindrome (55200255).

The spelling of 55000200 in words is "fifty-five million, two hundred", and thus it is an aban number.