53997113 has 2 divisors, whose sum is σ = 53997114. Its totient is φ = 53997112.

The previous prime is 53997079. The next prime is 53997127. The reversal of 53997113 is 31179935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30880249 + 23116864 = 5557^2 + 4808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53997113 is a prime.

It is not a weakly prime, because it can be changed into another prime (53997143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26998556 + 26998557.

It is an arithmetic number, because the mean of its divisors is an integer number (26998557).

Almost surely, 2^53997113 is an apocalyptic number.

It is an amenable number.

53997113 is a deficient number, since it is larger than the sum of its proper divisors (1).

53997113 is an equidigital number, since it uses as much as digits as its factorization.

53997113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25515, while the sum is 38.

The square root of 53997113 is about 7348.2727902549. The cubic root of 53997113 is about 377.9695789372.

The spelling of 53997113 in words is "fifty-three million, nine hundred ninety-seven thousand, one hundred thirteen".