53142 has 16 divisors (see below), whose sum is σ = 112752. Its totient is φ = 16640.
The previous prime is 53129. The next prime is 53147. The reversal of 53142 is 24135.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53147) 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, 159 + ... + 362.
It is an arithmetic number, because the mean of its divisors is an integer number (7047).
253142 is an apocalyptic number.
53142 is an abundant number, since it is smaller than the sum of its proper divisors (59610).
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 (56376).
53142 is a wasteful number, since it uses less digits than its factorization.
53142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 543.
The product of its digits is 120, while the sum is 15.
The square root of 53142 is about 230.5254866604. The cubic root of 53142 is about 37.5963743297.
Adding to 53142 its reverse (24135), we get a palindrome (77277).
The spelling of 53142 in words is "fifty-three thousand, one hundred forty-two".
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