53115113 has 2 divisors, whose sum is σ = 53115114. Its totient is φ = 53115112.

The previous prime is 53115107. The next prime is 53115137. The reversal of 53115113 is 31151135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53114944 + 169 = 7288^2 + 13^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53115113 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (53115913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26557556 + 26557557.

It is an arithmetic number, because the mean of its divisors is an integer number (26557557).

Almost surely, 2^53115113 is an apocalyptic number.

It is an amenable number.

53115113 is a deficient number, since it is larger than the sum of its proper divisors (1).

53115113 is an equidigital number, since it uses as much as digits as its factorization.

53115113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225, while the sum is 20.

The square root of 53115113 is about 7288.0115943925. The cubic root of 53115113 is about 375.9003267754.

Adding to 53115113 its reverse (31151135), we get a palindrome (84266248).

The spelling of 53115113 in words is "fifty-three million, one hundred fifteen thousand, one hundred thirteen".