56278247526 has 32 divisors (see below), whose sum is σ = 125891020800. Its totient is φ = 18635178600.

The previous prime is 56278247453. The next prime is 56278247579. The reversal of 56278247526 is 62574287265.

56278247526 is a `hidden beast` number, since 5 + 6 + 2 + 78 + 2 + 47 + 526 = 666.

56278247526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×56278247526³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3442806 + ... + 3459113.

It is an arithmetic number, because the mean of its divisors is an integer number (3934094400).

Almost surely, 2^56278247526 is an apocalyptic number.

56278247526 is an abundant number, since it is smaller than the sum of its proper divisors (69612773274).

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

56278247526 is a wasteful number, since it uses less digits than its factorization.

56278247526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6902081 (or 6902075 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

The spelling of 56278247526 in words is "fifty-six billion, two hundred seventy-eight million, two hundred forty-seven thousand, five hundred twenty-six".