56648524281 has 16 divisors (see below), whose sum is σ = 80656412160. Its totient is φ = 35287176960.

The previous prime is 56648524279. The next prime is 56648524367. The reversal of 56648524281 is 18242584665.

It is a happy number.

56648524281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56648524281 - 2¹ = 56648524279 is a prime.

It is a super-2 number, since 2×56648524281² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56648524201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10499440 + ... + 10504833.

It is an arithmetic number, because the mean of its divisors is an integer number (5041025760).

Almost surely, 2^56648524281 is an apocalyptic number.

It is an amenable number.

56648524281 is a deficient number, since it is larger than the sum of its proper divisors (24007887879).

56648524281 is a wasteful number, since it uses less digits than its factorization.

56648524281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21004336.

The product of its digits is 3686400, while the sum is 51.

The spelling of 56648524281 in words is "fifty-six billion, six hundred forty-eight million, five hundred twenty-four thousand, two hundred eighty-one".