55286222 has 8 divisors (see below), whose sum is σ = 82963272. Its totient is φ = 27631800.

The previous prime is 55286221. The next prime is 55286233. The reversal of 55286222 is 22268255.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55286221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3272 + ... + 11012.

It is an arithmetic number, because the mean of its divisors is an integer number (10370409).

Almost surely, 2^55286222 is an apocalyptic number.

55286222 is a deficient number, since it is larger than the sum of its proper divisors (27677050).

55286222 is a wasteful number, since it uses less digits than its factorization.

55286222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11314.

The product of its digits is 19200, while the sum is 32.

The square root of 55286222 is about 7435.4705298320. The cubic root of 55286222 is about 380.9537951193.

The spelling of 55286222 in words is "fifty-five million, two hundred eighty-six thousand, two hundred twenty-two".