55635222 has 8 divisors (see below), whose sum is σ = 111270456. Its totient is φ = 18545072.

The previous prime is 55635199. The next prime is 55635247. The reversal of 55635222 is 22253655.

55635222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

55635222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 55635222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4636263 + ... + 4636274.

It is an arithmetic number, because the mean of its divisors is an integer number (13908807).

Almost surely, 2^55635222 is an apocalyptic number.

55635222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55635222 is a wasteful number, since it uses less digits than its factorization.

55635222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9272542.

The product of its digits is 18000, while the sum is 30.

The square root of 55635222 is about 7458.9021980450. The cubic root of 55635222 is about 381.7537176986.

Adding to 55635222 its reverse (22253655), we get a palindrome (77888877).

It can be divided in two parts, 556 and 35222, that added together give a triangular number (35778 = T₂₆₇).

The spelling of 55635222 in words is "fifty-five million, six hundred thirty-five thousand, two hundred twenty-two".