55183222 has 4 divisors (see below), whose sum is σ = 82774836. Its totient is φ = 27591610.

The previous prime is 55183213. The next prime is 55183237. The reversal of 55183222 is 22238155.

55183222 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, 13795804 + ... + 13795807.

It is an arithmetic number, because the mean of its divisors is an integer number (20693709).

Almost surely, 2^55183222 is an apocalyptic number.

55183222 is a deficient number, since it is larger than the sum of its proper divisors (27591614).

55183222 is a wasteful number, since it uses less digits than its factorization.

55183222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27591613.

The product of its digits is 4800, while the sum is 28.

The square root of 55183222 is about 7428.5410411466. The cubic root of 55183222 is about 380.7170716820.

The spelling of 55183222 in words is "fifty-five million, one hundred eighty-three thousand, two hundred twenty-two".