55622 has 16 divisors (see below), whose sum is σ = 99360. Its totient is φ = 22848.

The previous prime is 55621. The next prime is 55631. The reversal of 55622 is 22655.

It is a happy number.

55622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 55594 and 55603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338 + ... + 474.

It is an arithmetic number, because the mean of its divisors is an integer number (6210).

2⁵⁵⁶²² is an apocalyptic number.

55622 is a deficient number, since it is larger than the sum of its proper divisors (43738).

55622 is a wasteful number, since it uses less digits than its factorization.

55622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175.

The product of its digits is 600, while the sum is 20.

The square root of 55622 is about 235.8431682284. The cubic root of 55622 is about 38.1723473383.

The spelling of 55622 in words is "fifty-five thousand, six hundred twenty-two".