53315513 has 2 divisors, whose sum is σ = 53315514. Its totient is φ = 53315512.

The previous prime is 53315467. The next prime is 53315579. The reversal of 53315513 is 31551335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45873529 + 7441984 = 6773^2 + 2728^2 .

It is a cyclic number.

It is not a de Polignac number, because 53315513 - 2²⁴ = 36538297 is a prime.

It is not a weakly prime, because it can be changed into another prime (53315593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26657756 + 26657757.

It is an arithmetic number, because the mean of its divisors is an integer number (26657757).

Almost surely, 2^53315513 is an apocalyptic number.

It is an amenable number.

53315513 is a deficient number, since it is larger than the sum of its proper divisors (1).

53315513 is an equidigital number, since it uses as much as digits as its factorization.

53315513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3375, while the sum is 26.

The square root of 53315513 is about 7301.7472566503. The cubic root of 53315513 is about 376.3724829429.

Adding to 53315513 its reverse (31551335), we get a palindrome (84866848).

The spelling of 53315513 in words is "fifty-three million, three hundred fifteen thousand, five hundred thirteen".