11055547 has 4 divisors (see below), whose sum is σ = 11062296. Its totient is φ = 11048800.

The previous prime is 11055533. The next prime is 11055553. The reversal of 11055547 is 74555011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 74555011 = 887 ⋅84053.

It is a cyclic number.

It is not a de Polignac number, because 11055547 - 2⁷ = 11055419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11055557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828 + ... + 4774.

It is an arithmetic number, because the mean of its divisors is an integer number (2765574).

Almost surely, 2^11055547 is an apocalyptic number.

11055547 is a deficient number, since it is larger than the sum of its proper divisors (6749).

11055547 is an equidigital number, since it uses as much as digits as its factorization.

11055547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6748.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 11055547 is about 3324.9882706560. The cubic root of 11055547 is about 222.7717304613.

The spelling of 11055547 in words is "eleven million, fifty-five thousand, five hundred forty-seven".