53155117 has 2 divisors, whose sum is σ = 53155118. Its totient is φ = 53155116.

The previous prime is 53155097. The next prime is 53155133. The reversal of 53155117 is 71155135.

53155117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32959081 + 20196036 = 5741^2 + 4494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53155117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53155177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26577558 + 26577559.

It is an arithmetic number, because the mean of its divisors is an integer number (26577559).

Almost surely, 2^53155117 is an apocalyptic number.

It is an amenable number.

53155117 is a deficient number, since it is larger than the sum of its proper divisors (1).

53155117 is an equidigital number, since it uses as much as digits as its factorization.

53155117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2625, while the sum is 28.

The square root of 53155117 is about 7290.7555849857. The cubic root of 53155117 is about 375.9946737023.

The spelling of 53155117 in words is "fifty-three million, one hundred fifty-five thousand, one hundred seventeen".