53087 has 2 divisors, whose sum is σ = 53088. Its totient is φ = 53086.
The previous prime is 53077. The next prime is 53089. The reversal of 53087 is 78035.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 53087 - 212 = 48991 is a prime.
Together with 53089, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (53089) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26543 + 26544.
It is an arithmetic number, because the mean of its divisors is an integer number (26544).
253087 is an apocalyptic number.
53087 is a deficient number, since it is larger than the sum of its proper divisors (1).
53087 is an equidigital number, since it uses as much as digits as its factorization.
It is an anagram of its base 9 representation: 53087 = (80735)9.
53087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 53087 is about 230.4061631120. The cubic root of 53087 is about 37.5833995680.
The spelling of 53087 in words is "fifty-three thousand, eighty-seven".
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