5656006565 has 32 divisors (see below), whose sum is σ = 7619018112. Its totient is φ = 3995680000.

The previous prime is 5656006553. The next prime is 5656006571.

5656006565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5656006565 - 2⁸ = 5656006309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284810 + ... + 304020.

It is an arithmetic number, because the mean of its divisors is an integer number (238094316).

Almost surely, 2^5656006565 is an apocalyptic number.

5656006565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5656006565 is a deficient number, since it is larger than the sum of its proper divisors (1963011547).

5656006565 is a wasteful number, since it uses less digits than its factorization.

5656006565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19381.

The product of its (nonzero) digits is 810000, while the sum is 44.

The square root of 5656006565 is about 75206.4263544014. The cubic root of 5656006565 is about 1781.7084305400.

The spelling of 5656006565 in words is "five billion, six hundred fifty-six million, six thousand, five hundred sixty-five".