56856315548 has 24 divisors (see below), whose sum is σ = 100318009344. Its totient is φ = 28194188400.

The previous prime is 56856315547. The next prime is 56856315587. The reversal of 56856315548 is 84551365865.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 56856315493 and 56856315502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56856315547) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1511003 + ... + 1548173.

It is an arithmetic number, because the mean of its divisors is an integer number (4179917056).

Almost surely, 2^56856315548 is an apocalyptic number.

It is an amenable number.

56856315548 is a deficient number, since it is larger than the sum of its proper divisors (43461693796).

56856315548 is a wasteful number, since it uses less digits than its factorization.

56856315548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40313 (or 40311 counting only the distinct ones).

The product of its digits is 17280000, while the sum is 56.

The spelling of 56856315548 in words is "fifty-six billion, eight hundred fifty-six million, three hundred fifteen thousand, five hundred forty-eight".