54221112656 has 20 divisors (see below), whose sum is σ = 105411958932. Its totient is φ = 27018026496.

The previous prime is 54221112643. The next prime is 54221112679. The reversal of 54221112656 is 65621112245.

It can be written as a sum of positive squares in 2 ways, for example, as 48523278400 + 5697834256 = 220280^2 + 75484^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5778281 + ... + 5787656.

Almost surely, 2^54221112656 is an apocalyptic number.

It is an amenable number.

54221112656 is a deficient number, since it is larger than the sum of its proper divisors (51190846276).

54221112656 is a wasteful number, since it uses less digits than its factorization.

54221112656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11566238 (or 11566232 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The spelling of 54221112656 in words is "fifty-four billion, two hundred twenty-one million, one hundred twelve thousand, six hundred fifty-six".