56613217848 has 32 divisors (see below), whose sum is σ = 154399685760. Its totient is φ = 17155520480.

The previous prime is 56613217841. The next prime is 56613217877. The reversal of 56613217848 is 84871231665.

It is a super-2 number, since 2×56613217848² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56613217848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56613217841) 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 7 ways as a sum of consecutive naturals, for example, 107221740 + ... + 107222267.

It is an arithmetic number, because the mean of its divisors is an integer number (4824990180).

Almost surely, 2^56613217848 is an apocalyptic number.

It is an amenable number.

56613217848 is an abundant number, since it is smaller than the sum of its proper divisors (97786467912).

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

56613217848 is a wasteful number, since it uses less digits than its factorization.

56613217848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214444027 (or 214444023 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The spelling of 56613217848 in words is "fifty-six billion, six hundred thirteen million, two hundred seventeen thousand, eight hundred forty-eight".