53386 has 4 divisors (see below), whose sum is σ = 80082. Its totient is φ = 26692.
The previous prime is 53381. The next prime is 53401. The reversal of 53386 is 68335.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 53361 + 25 = 231^2 + 5^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 53386.
It is not an unprimeable number, because it can be changed into a prime (53381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13345 + ... + 13348.
253386 is an apocalyptic number.
53386 is a deficient number, since it is larger than the sum of its proper divisors (26696).
53386 is a wasteful number, since it uses less digits than its factorization.
53386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26695.
The product of its digits is 2160, while the sum is 25.
The square root of 53386 is about 231.0541062176. The cubic root of 53386 is about 37.6538273867.
Subtracting from 53386 its sum of digits (25), we obtain a square (53361 = 2312).
The spelling of 53386 in words is "fifty-three thousand, three hundred eighty-six".
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