11055530 has 32 divisors (see below), whose sum is σ = 21634560. Its totient is φ = 4052160.

The previous prime is 11055529. The next prime is 11055533. The reversal of 11055530 is 3555011.

11055530 = T₈₂₉ + T₈₃₀ + ... + T₈₅₉.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 4952 + ... + 6828.

It is an arithmetic number, because the mean of its divisors is an integer number (676080).

Almost surely, 2^11055530 is an apocalyptic number.

11055530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11055530 is a deficient number, since it is larger than the sum of its proper divisors (10579030).

11055530 is a wasteful number, since it uses less digits than its factorization.

11055530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 11055530 is about 3324.9857142550. The cubic root of 11055530 is about 222.7716162766.

The spelling of 11055530 in words is "eleven million, fifty-five thousand, five hundred thirty".