55922 has 4 divisors (see below), whose sum is σ = 83886. Its totient is φ = 27960.

The previous prime is 55921. The next prime is 55927. The reversal of 55922 is 22955.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22955 = 5 ⋅4591.

It can be written as a sum of positive squares in only one way, i.e., 52441 + 3481 = 229^2 + 59^2 .

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 55922.

It is not an unprimeable number, because it can be changed into a prime (55921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13979 + ... + 13982.

2⁵⁵⁹²² is an apocalyptic number.

55922 is a deficient number, since it is larger than the sum of its proper divisors (27964).

55922 is a wasteful number, since it uses less digits than its factorization.

55922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27963.

The product of its digits is 900, while the sum is 23.

The square root of 55922 is about 236.4783288168. The cubic root of 55922 is about 38.2408524696.

Adding to 55922 its sum of digits (23), we get a triangular number (55945 = T₃₃₄).

The spelling of 55922 in words is "fifty-five thousand, nine hundred twenty-two".