55022 has 16 divisors (see below), whose sum is σ = 93744. Its totient is φ = 24000.

The previous prime is 55021. The next prime is 55049. The reversal of 55022 is 22055.

It is a junction number, because it is equal to n+sod(n) for n = 54988 and 55006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872 + ... + 932.

It is an arithmetic number, because the mean of its divisors is an integer number (5859).

2⁵⁵⁰²² is an apocalyptic number.

55022 is a deficient number, since it is larger than the sum of its proper divisors (38722).

55022 is a wasteful number, since it uses less digits than its factorization.

55022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115.

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 55022 is about 234.5676874593. The cubic root of 55022 is about 38.0345945350.

Adding to 55022 its reverse (22055), we get a palindrome (77077).

It can be divided in two parts, 550 and 22, that multiplied together give a square (12100 = 110²).

The spelling of 55022 in words is "fifty-five thousand, twenty-two".