11056553 has 4 divisors (see below), whose sum is σ = 11413248. Its totient is φ = 10699860.

The previous prime is 11056523. The next prime is 11056561. The reversal of 11056553 is 35565011.

11056553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11056553 - 2¹⁰ = 11055529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11056523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178301 + ... + 178362.

It is an arithmetic number, because the mean of its divisors is an integer number (2853312).

Almost surely, 2^11056553 is an apocalyptic number.

It is an amenable number.

11056553 is a deficient number, since it is larger than the sum of its proper divisors (356695).

11056553 is an equidigital number, since it uses as much as digits as its factorization.

11056553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356694.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 11056553 is about 3325.1395459439. The cubic root of 11056553 is about 222.7784872975.

The spelling of 11056553 in words is "eleven million, fifty-six thousand, five hundred fifty-three".