55624433442656 has 36 divisors (see below), whose sum is σ = 118582487652132. Its totient is φ = 25672815432576.

The previous prime is 55624433442647. The next prime is 55624433442707. The reversal of 55624433442656 is 65624433442655.

It is a junction number, because it is equal to n+sod(n) for n = 55624433442595 and 55624433442604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5142786146 + ... + 5142796961.

It is an arithmetic number, because the mean of its divisors is an integer number (3293957990337).

Almost surely, 2^{55624433442656} is an apocalyptic number.

It is an amenable number.

55624433442656 is an abundant number, since it is smaller than the sum of its proper divisors (62958054209476).

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

55624433442656 is a wasteful number, since it uses less digits than its factorization.

55624433442656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10285583143 (or 10285583122 counting only the distinct ones).

The product of its digits is 248832000, while the sum is 59.

Subtracting 55624433442656 from its reverse (65624433442655), we obtain a palindrome (9999999999999).

The spelling of 55624433442656 in words is "fifty-five trillion, six hundred twenty-four billion, four hundred thirty-three million, four hundred forty-two thousand, six hundred fifty-six".