52989 has 8 divisors (see below), whose sum is σ = 74880. Its totient is φ = 33216.
The previous prime is 52981. The next prime is 52999. The reversal of 52989 is 98925.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 52989 - 23 = 52981 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 52989.
It is not an unprimeable number, because it can be changed into a prime (52981) 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, 469 + ... + 570.
It is an arithmetic number, because the mean of its divisors is an integer number (9360).
252989 is an apocalyptic number.
It is an amenable number.
52989 is a deficient number, since it is larger than the sum of its proper divisors (21891).
52989 is a wasteful number, since it uses less digits than its factorization.
52989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1059.
The product of its digits is 6480, while the sum is 33.
The square root of 52989 is about 230.1933969513. The cubic root of 52989 is about 37.5602586741.
The spelling of 52989 in words is "fifty-two thousand, nine hundred eighty-nine".
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