5656565454545 has 32 divisors (see below), whose sum is σ = 7309604851200. Its totient is φ = 4186516719616.

The previous prime is 5656565454523. The next prime is 5656565454571. The reversal of 5656565454545 is 5454545656565.

It is a happy number.

5656565454545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a cyclic number.

It is not a de Polignac number, because 5656565454545 - 2²⁰ = 5656564405969 is a prime.

It is a super-2 number, since 2×5656565454545² (a number of 26 digits) contains 22 as substring.

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

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68558957 + ... + 68641413.

It is an arithmetic number, because the mean of its divisors is an integer number (228425151600).

Almost surely, 2^{5656565454545} is an apocalyptic number.

It is an amenable number.

5656565454545 is a deficient number, since it is larger than the sum of its proper divisors (1653039396655).

5656565454545 is a wasteful number, since it uses less digits than its factorization.

5656565454545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96217.

The product of its digits is 1080000000, while the sum is 65.

The spelling of 5656565454545 in words is "five trillion, six hundred fifty-six billion, five hundred sixty-five million, four hundred fifty-four thousand, five hundred forty-five".