55610222 has 4 divisors (see below), whose sum is σ = 83415336. Its totient is φ = 27805110.

The previous prime is 55610189. The next prime is 55610231. The reversal of 55610222 is 22201655.

55610222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 13902554 + ... + 13902557.

It is an arithmetic number, because the mean of its divisors is an integer number (20853834).

Almost surely, 2^55610222 is an apocalyptic number.

55610222 is a deficient number, since it is larger than the sum of its proper divisors (27805114).

55610222 is a wasteful number, since it uses less digits than its factorization.

55610222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27805113.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 55610222 is about 7457.2261599069. The cubic root of 55610222 is about 381.6965280713.

Adding to 55610222 its reverse (22201655), we get a palindrome (77811877).

The spelling of 55610222 in words is "fifty-five million, six hundred ten thousand, two hundred twenty-two".