55342 has 16 divisors (see below), whose sum is σ = 97920. Its totient is φ = 22968.

The previous prime is 55339. The next prime is 55343. The reversal of 55342 is 24355.

It is a happy number.

55342 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 (55343) 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, 793 + ... + 859.

It is an arithmetic number, because the mean of its divisors is an integer number (6120).

2⁵⁵³⁴² is an apocalyptic number.

55342 is the 118-th decagonal number.

55342 is a deficient number, since it is larger than the sum of its proper divisors (42578).

55342 is a wasteful number, since it uses less digits than its factorization.

55342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135.

The product of its digits is 600, while the sum is 19.

The square root of 55342 is about 235.2488044603. The cubic root of 55342 is about 38.1081866201.

Adding to 55342 its reverse (24355), we get a palindrome (79697).

It can be divided in two parts, 553 and 42, that added together give a palindrome (595).

The spelling of 55342 in words is "fifty-five thousand, three hundred forty-two".