13564554 has 8 divisors (see below), whose sum is σ = 27129120. Its totient is φ = 4521516.

The previous prime is 13564553. The next prime is 13564601. The reversal of 13564554 is 45546531.

It is a sphenic number, since it is the product of 3 distinct primes.

13564554 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13564553) 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, 1130374 + ... + 1130385.

It is an arithmetic number, because the mean of its divisors is an integer number (3391140).

Almost surely, 2^13564554 is an apocalyptic number.

13564554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13564554 is a wasteful number, since it uses less digits than its factorization.

13564554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260764.

The product of its digits is 36000, while the sum is 33.

The square root of 13564554 is about 3683.0088243174. The cubic root of 13564554 is about 238.4890844083.

The spelling of 13564554 in words is "thirteen million, five hundred sixty-four thousand, five hundred fifty-four".