56855860548 has 12 divisors (see below), whose sum is σ = 132663674640. Its totient is φ = 18951953512.

The previous prime is 56855860531. The next prime is 56855860561. The reversal of 56855860548 is 84506855865.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 56855860491 and 56855860500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2368994178 + ... + 2368994201.

It is an arithmetic number, because the mean of its divisors is an integer number (11055306220).

Almost surely, 2^56855860548 is an apocalyptic number.

It is an amenable number.

56855860548 is an abundant number, since it is smaller than the sum of its proper divisors (75807814092).

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

56855860548 is a wasteful number, since it uses less digits than its factorization.

56855860548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737988386 (or 4737988384 counting only the distinct ones).

The product of its (nonzero) digits is 46080000, while the sum is 60.

The spelling of 56855860548 in words is "fifty-six billion, eight hundred fifty-five million, eight hundred sixty thousand, five hundred forty-eight".