13558056 has 16 divisors (see below), whose sum is σ = 33895200. Its totient is φ = 4519344.

The previous prime is 13558033. The next prime is 13558087. The reversal of 13558056 is 65085531.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 282436 + ... + 282483.

It is an arithmetic number, because the mean of its divisors is an integer number (2118450).

Almost surely, 2^13558056 is an apocalyptic number.

It is an amenable number.

13558056 is an abundant number, since it is smaller than the sum of its proper divisors (20337144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13558056 is a wasteful number, since it uses less digits than its factorization.

13558056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564928 (or 564924 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 13558056 is about 3682.1265594762. The cubic root of 13558056 is about 238.4509961774.

The spelling of 13558056 in words is "thirteen million, five hundred fifty-eight thousand, fifty-six".