54445585 has 4 divisors (see below), whose sum is σ = 65334708. Its totient is φ = 43556464.

The previous prime is 54445571. The next prime is 54445591. The reversal of 54445585 is 58554445.

54445585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26132544 + 28313041 = 5112^2 + 5321^2 .

It is a cyclic number.

It is not a de Polignac number, because 54445585 - 2⁹ = 54445073 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5444554 + ... + 5444563.

It is an arithmetic number, because the mean of its divisors is an integer number (16333677).

Almost surely, 2^54445585 is an apocalyptic number.

It is an amenable number.

54445585 is a deficient number, since it is larger than the sum of its proper divisors (10889123).

54445585 is a wasteful number, since it uses less digits than its factorization.

54445585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10889122.

The product of its digits is 320000, while the sum is 40.

The square root of 54445585 is about 7378.7251608933. The cubic root of 54445585 is about 379.0131016558.

The spelling of 54445585 in words is "fifty-four million, four hundred forty-five thousand, five hundred eighty-five".