5656208287 has 12 divisors (see below), whose sum is σ = 5973918456. Its totient is φ = 5354611920.

The previous prime is 5656208281. The next prime is 5656208297. The reversal of 5656208287 is 7828026565.

It is a de Polignac number, because none of the positive numbers 2^k-5656208287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5656208287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656208281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571612 + ... + 581422.

It is an arithmetic number, because the mean of its divisors is an integer number (497826538).

Almost surely, 2^5656208287 is an apocalyptic number.

5656208287 is a deficient number, since it is larger than the sum of its proper divisors (317710169).

5656208287 is a wasteful number, since it uses less digits than its factorization.

5656208287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11446 (or 11427 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The square root of 5656208287 is about 75207.7674645379. The cubic root of 5656208287 is about 1781.7296118872.

The spelling of 5656208287 in words is "five billion, six hundred fifty-six million, two hundred eight thousand, two hundred eighty-seven".