11000550 has 96 divisors (see below), whose sum is σ = 30533760. Its totient is φ = 2598400.

The previous prime is 11000537. The next prime is 11000569. The reversal of 11000550 is 5500011.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97294 + ... + 97406.

It is an arithmetic number, because the mean of its divisors is an integer number (318060).

Almost surely, 2^11000550 is an apocalyptic number.

11000550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11000550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15266880).

11000550 is an abundant number, since it is smaller than the sum of its proper divisors (19533210).

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

11000550 is a wasteful number, since it uses less digits than its factorization.

11000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 11000550 is about 3316.7077049387. The cubic root of 11000550 is about 222.4017156286.

Adding to 11000550 its reverse (5500011), we get a palindrome (16500561).

The spelling of 11000550 in words is "eleven million, five hundred fifty", and thus it is an aban number.