56545454565 has 64 divisors (see below), whose sum is σ = 103905849600. Its totient is φ = 29160172800.

The previous prime is 56545454561. The next prime is 56545454579.

56545454565 is a `hidden beast` number, since 5 + 6 + 54 + 545 + 45 + 6 + 5 = 666.

56545454565 is nontrivially palindromic in base 10.

56545454565 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 56545454565 - 2² = 56545454561 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56545454561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 427675 + ... + 544055.

It is an arithmetic number, because the mean of its divisors is an integer number (1623528900).

Almost surely, 2^56545454565 is an apocalyptic number.

It is an amenable number.

56545454565 is a deficient number, since it is larger than the sum of its proper divisors (47360395035).

56545454565 is a wasteful number, since it uses less digits than its factorization.

56545454565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116515 (or 116509 counting only the distinct ones).

The product of its digits is 36000000, while the sum is 54.

The spelling of 56545454565 in words is "fifty-six billion, five hundred forty-five million, four hundred fifty-four thousand, five hundred sixty-five".