55632200223656 has 64 divisors (see below), whose sum is σ = 124418089082880. Its totient is φ = 22801510353600.

The previous prime is 55632200223599. The next prime is 55632200223661. The reversal of 55632200223656 is 65632200223655.

It is a self number, because there is not a number n which added to its sum of digits gives 55632200223656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2929481 + ... + 10947431.

It is an arithmetic number, because the mean of its divisors is an integer number (1944032641920).

Almost surely, 2^{55632200223656} is an apocalyptic number.

55632200223656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55632200223656 is an abundant number, since it is smaller than the sum of its proper divisors (68785888859224).

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

55632200223656 is a wasteful number, since it uses less digits than its factorization.

55632200223656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8023374 (or 8023370 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 47.

Subtracting 55632200223656 from its reverse (65632200223655), we obtain a palindrome (9999999999999).

The spelling of 55632200223656 in words is "fifty-five trillion, six hundred thirty-two billion, two hundred million, two hundred twenty-three thousand, six hundred fifty-six".