55256222 has 36 divisors (see below), whose sum is σ = 102474144. Its totient is φ = 22276800.

The previous prime is 55256221. The next prime is 55256269. The reversal of 55256222 is 22265255.

55256222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55256221) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 27347 + ... + 29297.

It is an arithmetic number, because the mean of its divisors is an integer number (2846504).

Almost surely, 2^55256222 is an apocalyptic number.

55256222 is a deficient number, since it is larger than the sum of its proper divisors (47217922).

55256222 is a wasteful number, since it uses less digits than its factorization.

55256222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001 (or 1977 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 55256222 is about 7433.4528988889. The cubic root of 55256222 is about 380.8848769136.

The spelling of 55256222 in words is "fifty-five million, two hundred fifty-six thousand, two hundred twenty-two".