53147 has 2 divisors, whose sum is σ = 53148. Its totient is φ = 53146.

The previous prime is 53129. The next prime is 53149. The reversal of 53147 is 74135.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53147 is a prime.

Together with 53149, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 53147.

It is not a weakly prime, because it can be changed into another prime (53149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26573 + 26574.

It is an arithmetic number, because the mean of its divisors is an integer number (26574).

2⁵³¹⁴⁷ is an apocalyptic number.

53147 is a deficient number, since it is larger than the sum of its proper divisors (1).

53147 is an equidigital number, since it uses as much as digits as its factorization.

53147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420, while the sum is 20.

The square root of 53147 is about 230.5363311932. The cubic root of 53147 is about 37.5975534095.

The spelling of 53147 in words is "fifty-three thousand, one hundred forty-seven".