6455563 has 8 divisors (see below), whose sum is σ = 6858000. Its totient is φ = 6055680.

The previous prime is 6455557. The next prime is 6455567. The reversal of 6455563 is 3655546.

6455563 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 a cyclic number.

It is not a de Polignac number, because 6455563 - 2¹⁷ = 6324491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6455567) 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, 8103 + ... + 8863.

It is an arithmetic number, because the mean of its divisors is an integer number (857250).

Almost surely, 2^6455563 is an apocalyptic number.

6455563 is a deficient number, since it is larger than the sum of its proper divisors (402437).

6455563 is a wasteful number, since it uses less digits than its factorization.

6455563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277.

The product of its digits is 54000, while the sum is 34.

The square root of 6455563 is about 2540.7799983470. The cubic root of 6455563 is about 186.1992988429.

The spelling of 6455563 in words is "six million, four hundred fifty-five thousand, five hundred sixty-three".