53099513 has 2 divisors, whose sum is σ = 53099514. Its totient is φ = 53099512.

The previous prime is 53099507. The next prime is 53099531. The reversal of 53099513 is 31599035.

Together with next prime (53099531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45050944 + 8048569 = 6712^2 + 2837^2 .

It is a cyclic number.

It is not a de Polignac number, because 53099513 - 2⁸ = 53099257 is a prime.

It is not a weakly prime, because it can be changed into another prime (53099533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26549756 + 26549757.

It is an arithmetic number, because the mean of its divisors is an integer number (26549757).

Almost surely, 2^53099513 is an apocalyptic number.

It is an amenable number.

53099513 is a deficient number, since it is larger than the sum of its proper divisors (1).

53099513 is an equidigital number, since it uses as much as digits as its factorization.

53099513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18225, while the sum is 35.

The square root of 53099513 is about 7286.9412650302. The cubic root of 53099513 is about 375.8635223146.

The spelling of 53099513 in words is "fifty-three million, ninety-nine thousand, five hundred thirteen".