53391343 has 2 divisors, whose sum is σ = 53391344. Its totient is φ = 53391342.

The previous prime is 53391341. The next prime is 53391347. The reversal of 53391343 is 34319335.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53391343 - 2¹ = 53391341 is a prime.

Together with 53391341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53391341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26695671 + 26695672.

It is an arithmetic number, because the mean of its divisors is an integer number (26695672).

Almost surely, 2^53391343 is an apocalyptic number.

53391343 is a deficient number, since it is larger than the sum of its proper divisors (1).

53391343 is an equidigital number, since it uses as much as digits as its factorization.

53391343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 31.

The square root of 53391343 is about 7306.9380043901. The cubic root of 53391343 is about 376.5508350685.

The spelling of 53391343 in words is "fifty-three million, three hundred ninety-one thousand, three hundred forty-three".