56235257568 has 144 divisors (see below), whose sum is σ = 187222535136. Its totient is φ = 15675310080.

The previous prime is 56235257557. The next prime is 56235257569. The reversal of 56235257568 is 86575253265.

It is a happy number.

56235257568 is a `hidden beast` number, since 5 + 6 + 2 + 3 + 5 + 2 + 575 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56235257569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257521 + ... + 422832.

It is an arithmetic number, because the mean of its divisors is an integer number (1300156494).

Almost surely, 2^56235257568 is an apocalyptic number.

It is an amenable number.

56235257568 is an abundant number, since it is smaller than the sum of its proper divisors (130987277568).

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

56235257568 is a wasteful number, since it uses less digits than its factorization.

56235257568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680417 (or 680406 counting only the distinct ones).

The product of its digits is 15120000, while the sum is 54.

The spelling of 56235257568 in words is "fifty-six billion, two hundred thirty-five million, two hundred fifty-seven thousand, five hundred sixty-eight".