53308 has 6 divisors (see below), whose sum is σ = 93296. Its totient is φ = 26652.

The previous prime is 53299. The next prime is 53309. The reversal of 53308 is 80335.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660 + ... + 6667.

2⁵³³⁰⁸ is an apocalyptic number.

It is an amenable number.

53308 is a deficient number, since it is larger than the sum of its proper divisors (39988).

53308 is a wasteful number, since it uses less digits than its factorization.

53308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13331 (or 13329 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 53308 is about 230.8852528855. The cubic root of 53308 is about 37.6354803165.

It can be divided in two parts, 53 and 308, that added together give a square (361 = 19²).

The spelling of 53308 in words is "fifty-three thousand, three hundred eight".