550055600 has 60 divisors (see below), whose sum is σ = 1336443480. Its totient is φ = 217536000.

The previous prime is 550055581. The next prime is 550055609. The reversal of 550055600 is 6550055.

It is a super-2 number, since 2×550055600² = 605122326182720000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550055600.

It is not an unprimeable number, because it can be changed into a prime (550055609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27875 + ... + 43325.

It is an arithmetic number, because the mean of its divisors is an integer number (22274058).

Almost surely, 2^550055600 is an apocalyptic number.

550055600 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 550055600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668221740).

550055600 is an abundant number, since it is smaller than the sum of its proper divisors (786387880).

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

550055600 is a wasteful number, since it uses less digits than its factorization.

550055600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15558 (or 15547 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 550055600 is about 23453.2641651434. The cubic root of 550055600 is about 819.3488783144.

The spelling of 550055600 in words is "five hundred fifty million, fifty-five thousand, six hundred".