6455564 has 24 divisors (see below), whose sum is σ = 11827200. Its totient is φ = 3079440.

The previous prime is 6455557. The next prime is 6455567. The reversal of 6455564 is 4655546.

It is not an unprimeable number, because it can be changed into a prime (6455567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9467 + ... + 10125.

It is an arithmetic number, because the mean of its divisors is an integer number (492800).

Almost surely, 2^6455564 is an apocalyptic number.

It is an amenable number.

6455564 is a deficient number, since it is larger than the sum of its proper divisors (5371636).

6455564 is a wasteful number, since it uses less digits than its factorization.

6455564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773 (or 771 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 6455564 is about 2540.7801951369. The cubic root of 6455564 is about 186.1993084573.

The spelling of 6455564 in words is "six million, four hundred fifty-five thousand, five hundred sixty-four".