5445728 has 12 divisors (see below), whose sum is σ = 10721340. Its totient is φ = 2722848.

The previous prime is 5445721. The next prime is 5445757. The reversal of 5445728 is 8275445.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85058 + ... + 85121.

It is an arithmetic number, because the mean of its divisors is an integer number (893445).

Almost surely, 2^5445728 is an apocalyptic number.

It is an amenable number.

5445728 is a deficient number, since it is larger than the sum of its proper divisors (5275612).

5445728 is a wasteful number, since it uses less digits than its factorization.

5445728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170189 (or 170181 counting only the distinct ones).

The product of its digits is 44800, while the sum is 35.

The square root of 5445728 is about 2333.6083647433. The cubic root of 5445728 is about 175.9348932738.

The spelling of 5445728 in words is "five million, four hundred forty-five thousand, seven hundred twenty-eight".