11055897 has 12 divisors (see below), whose sum is σ = 16004820. Its totient is φ = 7354368.

The previous prime is 11055887. The next prime is 11055953. The reversal of 11055897 is 79855011.

11055897 is a `hidden beast` number, since 1 + 10 + 558 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7901721 + 3154176 = 2811^2 + 1776^2 .

It is not a de Polignac number, because 11055897 - 2¹² = 11051801 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11055817) 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 11 ways as a sum of consecutive naturals, for example, 4129 + ... + 6257.

It is an arithmetic number, because the mean of its divisors is an integer number (1333735).

Almost surely, 2^11055897 is an apocalyptic number.

It is an amenable number.

11055897 is a deficient number, since it is larger than the sum of its proper divisors (4948923).

11055897 is a wasteful number, since it uses less digits than its factorization.

11055897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712 (or 2709 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 36.

The square root of 11055897 is about 3325.0409020041. The cubic root of 11055897 is about 222.7740812957.

The spelling of 11055897 in words is "eleven million, fifty-five thousand, eight hundred ninety-seven".