5445649225 has 12 divisors (see below), whose sum is σ = 6756555276. Its totient is φ = 4353970880.

The previous prime is 5445649217. The next prime is 5445649273. The reversal of 5445649225 is 5229465445.

It can be written as a sum of positive squares in 6 ways, for example, as 38105929 + 5407543296 = 6173^2 + 73536^2 .

It is not a de Polignac number, because 5445649225 - 2³ = 5445649217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19522 + ... + 106171.

It is an arithmetic number, because the mean of its divisors is an integer number (563046273).

Almost surely, 2^5445649225 is an apocalyptic number.

It is an amenable number.

5445649225 is a deficient number, since it is larger than the sum of its proper divisors (1310906051).

5445649225 is a wasteful number, since it uses less digits than its factorization.

5445649225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127436 (or 127431 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 46.

The square root of 5445649225 is about 73794.6422513179. The cubic root of 5445649225 is about 1759.3404494286.

The spelling of 5445649225 in words is "five billion, four hundred forty-five million, six hundred forty-nine thousand, two hundred twenty-five".