5555211200 has 336 divisors, whose sum is σ = 17322296064. Its totient is φ = 1703116800.

The previous prime is 5555211197. The next prime is 5555211209. The reversal of 5555211200 is 21125555.

It is a self number, because there is not a number n which added to its sum of digits gives 5555211200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555211209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8254064 + ... + 8254736.

Almost surely, 2^5555211200 is an apocalyptic number.

5555211200 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 5555211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8661148032).

5555211200 is an abundant number, since it is smaller than the sum of its proper divisors (11767084864).

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

5555211200 is a wasteful number, since it uses less digits than its factorization.

5555211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 5555211200 is about 74533.2892069041. The cubic root of 5555211200 is about 1771.0610213101.

Adding to 5555211200 its reverse (21125555), we get a palindrome (5576336755).

It can be divided in two parts, 55 and 55211200, that added together give a palindrome (55211255).

The spelling of 5555211200 in words is "five billion, five hundred fifty-five million, two hundred eleven thousand, two hundred".