654545456 has 20 divisors (see below), whose sum is σ = 1270249800. Its totient is φ = 326739072.

The previous prime is 654545447. The next prime is 654545461.

654545456 is nontrivially palindromic in base 10.

654545456 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between even and odd.

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, 23141 + ... + 42948.

It is an arithmetic number, because the mean of its divisors is an integer number (63512490).

Almost surely, 2^654545456 is an apocalyptic number.

It is an amenable number.

654545456 is a deficient number, since it is larger than the sum of its proper divisors (615704344).

654545456 is a wasteful number, since it uses less digits than its factorization.

654545456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66716 (or 66710 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 44.

The square root of 654545456 is about 25584.0859911000. The cubic root of 654545456 is about 868.2536227864.

The spelling of 654545456 in words is "six hundred fifty-four million, five hundred forty-five thousand, four hundred fifty-six".