55221334 has 48 divisors (see below), whose sum is σ = 103749120. Its totient is φ = 21908880.

The previous prime is 55221329. The next prime is 55221343. The reversal of 55221334 is 43312255.

55221334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55221299 and 55221308.

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 23 ways as a sum of consecutive naturals, for example, 87199 + ... + 87829.

It is an arithmetic number, because the mean of its divisors is an integer number (2161440).

Almost surely, 2^55221334 is an apocalyptic number.

55221334 is a deficient number, since it is larger than the sum of its proper divisors (48527786).

55221334 is a wasteful number, since it uses less digits than its factorization.

55221334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 706 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 55221334 is about 7431.1058396446. The cubic root of 55221334 is about 380.8046982552.

Adding to 55221334 its reverse (43312255), we get a palindrome (98533589).

It can be divided in two parts, 55221 and 334, that added together give a palindrome (55555).

The spelling of 55221334 in words is "fifty-five million, two hundred twenty-one thousand, three hundred thirty-four".