11055638 has 16 divisors (see below), whose sum is σ = 18207936. Its totient is φ = 4992840.

The previous prime is 11055599. The next prime is 11055647. The reversal of 11055638 is 83655011.

It is a self number, because there is not a number n which added to its sum of digits gives 11055638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2045 + ... + 5127.

It is an arithmetic number, because the mean of its divisors is an integer number (1137996).

Almost surely, 2^11055638 is an apocalyptic number.

11055638 is a deficient number, since it is larger than the sum of its proper divisors (7152298).

11055638 is a wasteful number, since it uses less digits than its factorization.

11055638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 11055638 is about 3325.0019548866. The cubic root of 11055638 is about 222.7723416830.

The spelling of 11055638 in words is "eleven million, fifty-five thousand, six hundred thirty-eight".