5456564656545 has 32 divisors (see below), whose sum is σ = 8810939192832. Its totient is φ = 2883470734592.

The previous prime is 5456564656541. The next prime is 5456564656619.

5456564656545 is nontrivially palindromic in base 10.

5456564656545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 5456564656545 - 2² = 5456564656541 is a prime.

It is a super-2 number, since 2×5456564656545² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5456564656541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2827929 + ... + 4348598.

It is an arithmetic number, because the mean of its divisors is an integer number (275341849776).

Almost surely, 2^{5456564656545} is an apocalyptic number.

It is an amenable number.

5456564656545 is a deficient number, since it is larger than the sum of its proper divisors (3354374536287).

5456564656545 is a wasteful number, since it uses less digits than its factorization.

5456564656545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7177001.

The product of its digits is 1296000000, while the sum is 66.

The spelling of 5456564656545 in words is "five trillion, four hundred fifty-six billion, five hundred sixty-four million, six hundred fifty-six thousand, five hundred forty-five".