5445985 has 4 divisors (see below), whose sum is σ = 6535188. Its totient is φ = 4356784.

The previous prime is 5445959. The next prime is 5446003. The reversal of 5445985 is 5895445.

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 1048576 + 4397409 = 1024^2 + 2097^2 .

It is a cyclic number.

It is not a de Polignac number, because 5445985 - 2⁵ = 5445953 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544594 + ... + 544603.

It is an arithmetic number, because the mean of its divisors is an integer number (1633797).

Almost surely, 2^5445985 is an apocalyptic number.

It is an amenable number.

5445985 is a deficient number, since it is larger than the sum of its proper divisors (1089203).

5445985 is a wasteful number, since it uses less digits than its factorization.

5445985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089202.

The product of its digits is 144000, while the sum is 40.

The square root of 5445985 is about 2333.6634290317. The cubic root of 5445985 is about 175.9376608594.

The spelling of 5445985 in words is "five million, four hundred forty-five thousand, nine hundred eighty-five".