5445681 has 8 divisors (see below), whose sum is σ = 7277664. Its totient is φ = 3622080.

The previous prime is 5445679. The next prime is 5445683. The reversal of 5445681 is 1865445.

It is an interprime number because it is at equal distance from previous prime (5445679) and next prime (5445683).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5445681 - 2¹ = 5445679 is a prime.

It is a super-2 number, since 2×5445681² = 59310883107522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5445683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376 + ... + 3321.

It is an arithmetic number, because the mean of its divisors is an integer number (909708).

Almost surely, 2^5445681 is an apocalyptic number.

It is an amenable number.

5445681 is a deficient number, since it is larger than the sum of its proper divisors (1831983).

5445681 is a wasteful number, since it uses less digits than its factorization.

5445681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191.

The product of its digits is 19200, while the sum is 33.

The square root of 5445681 is about 2333.5982944800. The cubic root of 5445681 is about 175.9343871300.

The spelling of 5445681 in words is "five million, four hundred forty-five thousand, six hundred eighty-one".