53545343 has 2 divisors, whose sum is σ = 53545344. Its totient is φ = 53545342.

The previous prime is 53545313. The next prime is 53545351. The reversal of 53545343 is 34354535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53545343 - 2⁶ = 53545279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53545313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26772671 + 26772672.

It is an arithmetic number, because the mean of its divisors is an integer number (26772672).

Almost surely, 2^53545343 is an apocalyptic number.

53545343 is a deficient number, since it is larger than the sum of its proper divisors (1).

53545343 is an equidigital number, since it uses as much as digits as its factorization.

53545343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 32.

The square root of 53545343 is about 7317.4683463613. The cubic root of 53545343 is about 376.9125239423.

Adding to 53545343 its reverse (34354535), we get a palindrome (87899878).

The spelling of 53545343 in words is "fifty-three million, five hundred forty-five thousand, three hundred forty-three".