11055538 has 16 divisors (see below), whose sum is σ = 18164160. Its totient is φ = 5015376.

The previous prime is 11055533. The next prime is 11055553. The reversal of 11055538 is 83555011.

It is not an unprimeable number, because it can be changed into a prime (11055533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2070 + ... + 5137.

It is an arithmetic number, because the mean of its divisors is an integer number (1135260).

Almost surely, 2^11055538 is an apocalyptic number.

11055538 is a deficient number, since it is larger than the sum of its proper divisors (7108622).

11055538 is a wasteful number, since it uses less digits than its factorization.

11055538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7281.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 11055538 is about 3324.9869172675. The cubic root of 11055538 is about 222.7716700106.

The spelling of 11055538 in words is "eleven million, fifty-five thousand, five hundred thirty-eight".