53126393 has 2 divisors, whose sum is σ = 53126394. Its totient is φ = 53126392.

The previous prime is 53126383. The next prime is 53126401. The reversal of 53126393 is 39362135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53114944 + 11449 = 7288^2 + 107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53126393 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_3177149 and since 53126393 and 3177149 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (53126363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26563196 + 26563197.

It is an arithmetic number, because the mean of its divisors is an integer number (26563197).

Almost surely, 2^53126393 is an apocalyptic number.

It is an amenable number.

53126393 is a deficient number, since it is larger than the sum of its proper divisors (1).

53126393 is an equidigital number, since it uses as much as digits as its factorization.

53126393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 32.

The square root of 53126393 is about 7288.7854269419. The cubic root of 53126393 is about 375.9269347426.

The spelling of 53126393 in words is "fifty-three million, one hundred twenty-six thousand, three hundred ninety-three".