5478688056 has 32 divisors (see below), whose sum is σ = 14502410640. Its totient is φ = 1718803968.

The previous prime is 5478688051. The next prime is 5478688079. The reversal of 5478688056 is 6508868745.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5478687987 and 5478688005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478688051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6713671 + ... + 6714486.

Almost surely, 2^5478688056 is an apocalyptic number.

It is an amenable number.

5478688056 is an abundant number, since it is smaller than the sum of its proper divisors (9023722584).

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

5478688056 is a wasteful number, since it uses less digits than its factorization.

5478688056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13428183 (or 13428179 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 57.

The square root of 5478688056 is about 74018.1603121828. The cubic root of 5478688056 is about 1762.8912592871.

The spelling of 5478688056 in words is "five billion, four hundred seventy-eight million, six hundred eighty-eight thousand, fifty-six".