47565656575 has 72 divisors (see below), whose sum is σ = 63097211520. Its totient is φ = 35558846400.

The previous prime is 47565656557. The next prime is 47565656587. The reversal of 47565656575 is 57565656574.

It is not a de Polignac number, because 47565656575 - 2⁹ = 47565656063 is a prime.

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 71 ways as a sum of consecutive naturals, for example, 168076384 + ... + 168076666.

It is an arithmetic number, because the mean of its divisors is an integer number (876350160).

Almost surely, 2^47565656575 is an apocalyptic number.

47565656575 is a deficient number, since it is larger than the sum of its proper divisors (15531554945).

47565656575 is a wasteful number, since it uses less digits than its factorization.

47565656575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 561 counting only the distinct ones).

The product of its digits is 132300000, while the sum is 61.

Subtracting 47565656575 from its reverse (57565656574), we obtain a palindrome (9999999999).

The spelling of 47565656575 in words is "forty-seven billion, five hundred sixty-five million, six hundred fifty-six thousand, five hundred seventy-five".