53140343 has 2 divisors, whose sum is σ = 53140344. Its totient is φ = 53140342.

The previous prime is 53140337. The next prime is 53140369. The reversal of 53140343 is 34304135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53140343 - 2⁶ = 53140279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53145343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26570171 + 26570172.

It is an arithmetic number, because the mean of its divisors is an integer number (26570172).

Almost surely, 2^53140343 is an apocalyptic number.

53140343 is a deficient number, since it is larger than the sum of its proper divisors (1).

53140343 is an equidigital number, since it uses as much as digits as its factorization.

53140343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 53140343 is about 7289.7423136898. The cubic root of 53140343 is about 375.9598356638.

Adding to 53140343 its reverse (34304135), we get a palindrome (87444478).

The spelling of 53140343 in words is "fifty-three million, one hundred forty thousand, three hundred forty-three".