55622656 has 22 divisors (see below), whose sum is σ = 111193040. Its totient is φ = 27810816.

The previous prime is 55622647. The next prime is 55622681. The reversal of 55622656 is 65622655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26136 + ... + 28183.

Almost surely, 2^55622656 is an apocalyptic number.

It is an amenable number.

55622656 is a deficient number, since it is larger than the sum of its proper divisors (55570384).

55622656 is an equidigital number, since it uses as much as digits as its factorization.

55622656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54339 (or 54321 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 55622656 is about 7458.0598013156. The cubic root of 55622656 is about 381.7249740463.

Subtracting 55622656 from its reverse (65622655), we obtain a palindrome (9999999).

The spelling of 55622656 in words is "fifty-five million, six hundred twenty-two thousand, six hundred fifty-six".