56525442656 has 24 divisors (see below), whose sum is σ = 114874288704. Its totient is φ = 27351020160.

The previous prime is 56525442593. The next prime is 56525442703. The reversal of 56525442656 is 65624452565.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28489655 + ... + 28491638.

It is an arithmetic number, because the mean of its divisors is an integer number (4786428696).

Almost surely, 2^56525442656 is an apocalyptic number.

It is an amenable number.

56525442656 is an abundant number, since it is smaller than the sum of its proper divisors (58348846048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56525442656 is a wasteful number, since it uses less digits than its factorization.

56525442656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56981334 (or 56981326 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 50.

Subtracting 56525442656 from its reverse (65624452565), we obtain a palindrome (9099009909).

The spelling of 56525442656 in words is "fifty-six billion, five hundred twenty-five million, four hundred forty-two thousand, six hundred fifty-six".