13554545 has 4 divisors (see below), whose sum is σ = 16265460. Its totient is φ = 10843632.

The previous prime is 13554529. The next prime is 13554551. The reversal of 13554545 is 54545531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54545531 = 1009 ⋅54059.

It can be written as a sum of positive squares in 2 ways, for example, as 1658944 + 11895601 = 1288^2 + 3449^2 .

It is a cyclic number.

It is not a de Polignac number, because 13554545 - 2⁴ = 13554529 is a prime.

13554545 is a modest number, since divided by 4545 gives 1355 as remainder.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355450 + ... + 1355459.

It is an arithmetic number, because the mean of its divisors is an integer number (4066365).

Almost surely, 2^13554545 is an apocalyptic number.

It is an amenable number.

13554545 is a deficient number, since it is larger than the sum of its proper divisors (2710915).

13554545 is an equidigital number, since it uses as much as digits as its factorization.

13554545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710914.

The product of its digits is 30000, while the sum is 32.

The square root of 13554545 is about 3681.6497660696. The cubic root of 13554545 is about 238.4304112763.

The spelling of 13554545 in words is "thirteen million, five hundred fifty-four thousand, five hundred forty-five".