56488454928 has 120 divisors (see below), whose sum is σ = 159386641856. Its totient is φ = 18675360000.

The previous prime is 56488454927. The next prime is 56488454951. The reversal of 56488454928 is 82945488465.

56488454928 is a `hidden beast` number, since 5 + 6 + 4 + 8 + 84 + 549 + 2 + 8 = 666.

56488454928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 237673²-1.

It is not an unprimeable number, because it can be changed into a prime (56488454921) 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, 17110878 + ... + 17114178.

Almost surely, 2^56488454928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56488454928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79693320928).

56488454928 is an abundant number, since it is smaller than the sum of its proper divisors (102898186928).

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

56488454928 is a wasteful number, since it uses less digits than its factorization.

56488454928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253 (or 4244 counting only the distinct ones).

The product of its digits is 88473600, while the sum is 63.

The spelling of 56488454928 in words is "fifty-six billion, four hundred eighty-eight million, four hundred fifty-four thousand, nine hundred twenty-eight".