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55452 = 2234621

55452 has 12 divisors (see below), whose sum is σ = 129416. Its totient is φ = 18480.

The previous prime is 55441. The next prime is 55457. The reversal of 55452 is 25455.

55452 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55457) by changing a digit.

55452 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2299 + ... + 2322.

255452 is an apocalyptic number.

It is an amenable number.

55452 is an abundant number, since it is smaller than the sum of its proper divisors (73964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64708).

55452 is a wasteful number, since it uses less digits than its factorization.

55452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4628 (or 4626 counting only the distinct ones).

The product of its digits is 1000, while the sum is 21.

The square root of 55452 is about 235.4824834250. The cubic root of 55452 is about 38.1334183685.

It can be divided in two parts, 554 and 52, that added together give a palindrome (606).

The spelling of 55452 in words is "fifty-five thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 4621 9242 13863 18484 27726 55452