53545313 has 2 divisors, whose sum is σ = 53545314. Its totient is φ = 53545312.

The previous prime is 53545301. The next prime is 53545343. The reversal of 53545313 is 31354535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52171729 + 1373584 = 7223^2 + 1172^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53545313 is a prime.

It is not a weakly prime, because it can be changed into another prime (53545343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26772656 + 26772657.

It is an arithmetic number, because the mean of its divisors is an integer number (26772657).

Almost surely, 2^53545313 is an apocalyptic number.

It is an amenable number.

53545313 is a deficient number, since it is larger than the sum of its proper divisors (1).

53545313 is an equidigital number, since it uses as much as digits as its factorization.

53545313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 29.

The square root of 53545313 is about 7317.4662964718. The cubic root of 53545313 is about 376.9124535510.

Adding to 53545313 its reverse (31354535), we get a palindrome (84899848).

The spelling of 53545313 in words is "fifty-three million, five hundred forty-five thousand, three hundred thirteen".