55302200 has 48 divisors (see below), whose sum is σ = 129768480. Its totient is φ = 21916160.

The previous prime is 55302187. The next prime is 55302211. The reversal of 55302200 is 220355.

55302200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21377 + ... + 23823.

It is an arithmetic number, because the mean of its divisors is an integer number (2703510).

Almost surely, 2^55302200 is an apocalyptic number.

55302200 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 55302200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64884240).

55302200 is an abundant number, since it is smaller than the sum of its proper divisors (74466280).

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

55302200 is a wasteful number, since it uses less digits than its factorization.

55302200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576 (or 2567 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 55302200 is about 7436.5448966573. The cubic root of 55302200 is about 380.9904907807.

Adding to 55302200 its reverse (220355), we get a palindrome (55522555).

The spelling of 55302200 in words is "fifty-five million, three hundred two thousand, two hundred".