55672226656 has 24 divisors (see below), whose sum is σ = 109731754944. Its totient is φ = 27803844480.

The previous prime is 55672226651. The next prime is 55672226681. The reversal of 55672226656 is 65662227655.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55672226651) by changing a digit.

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, 980355 + ... + 1035586.

It is an arithmetic number, because the mean of its divisors is an integer number (4572156456).

Almost surely, 2^55672226656 is an apocalyptic number.

It is an amenable number.

55672226656 is a deficient number, since it is larger than the sum of its proper divisors (54059528288).

55672226656 is a wasteful number, since it uses less digits than its factorization.

55672226656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016814 (or 2016806 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 52.

Subtracting 55672226656 from its reverse (65662227655), we obtain a palindrome (9990000999).

The spelling of 55672226656 in words is "fifty-five billion, six hundred seventy-two million, two hundred twenty-six thousand, six hundred fifty-six".