5451663 has 8 divisors (see below), whose sum is σ = 8307328. Its totient is φ = 3115224.

The previous prime is 5451643. The next prime is 5451673. The reversal of 5451663 is 3661545.

5451663 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5451663 - 2⁶ = 5451599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5451663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451643) 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, 129781 + ... + 129822.

It is an arithmetic number, because the mean of its divisors is an integer number (1038416).

Almost surely, 2^5451663 is an apocalyptic number.

5451663 is a deficient number, since it is larger than the sum of its proper divisors (2855665).

5451663 is a wasteful number, since it uses less digits than its factorization.

5451663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259613.

The product of its digits is 10800, while the sum is 30.

The square root of 5451663 is about 2334.8796542863. The cubic root of 5451663 is about 175.9987839964.

The spelling of 5451663 in words is "five million, four hundred fifty-one thousand, six hundred sixty-three".