11426550 has 48 divisors (see below), whose sum is σ = 30011472. Its totient is φ = 2867200.

The previous prime is 11426531. The next prime is 11426557. The reversal of 11426550 is 5562411.

It is a self number, because there is not a number n which added to its sum of digits gives 11426550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11426557) 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, 310 + ... + 4790.

It is an arithmetic number, because the mean of its divisors is an integer number (625239).

Almost surely, 2^11426550 is an apocalyptic number.

11426550 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 11426550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15005736).

11426550 is an abundant number, since it is smaller than the sum of its proper divisors (18584922).

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

11426550 is a wasteful number, since it uses less digits than its factorization.

11426550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513 (or 4508 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 11426550 is about 3380.3180323751. The cubic root of 11426550 is about 225.2362949661.

Adding to 11426550 its reverse (5562411), we get a palindrome (16988961).

The spelling of 11426550 in words is "eleven million, four hundred twenty-six thousand, five hundred fifty".