5451664 has 20 divisors (see below), whose sum is σ = 10713600. Its totient is φ = 2686880.

The previous prime is 5451643. The next prime is 5451673. The reversal of 5451664 is 4661545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264 + ... + 3535.

It is an arithmetic number, because the mean of its divisors is an integer number (535680).

Almost surely, 2^5451664 is an apocalyptic number.

It is an amenable number.

5451664 is a deficient number, since it is larger than the sum of its proper divisors (5261936).

5451664 is a wasteful number, since it uses less digits than its factorization.

5451664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878 (or 4872 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 5451664 is about 2334.8798684301. The cubic root of 5451664 is about 175.9987947576.

It can be divided in two parts, 545 and 1664, that added together give a square (2209 = 47²).

The spelling of 5451664 in words is "five million, four hundred fifty-one thousand, six hundred sixty-four".