53173871 has 2 divisors, whose sum is σ = 53173872. Its totient is φ = 53173870.

The previous prime is 53173831. The next prime is 53173877. The reversal of 53173871 is 17837135.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53173871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53173877) 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, 26586935 + 26586936.

It is an arithmetic number, because the mean of its divisors is an integer number (26586936).

Almost surely, 2^53173871 is an apocalyptic number.

53173871 is a deficient number, since it is larger than the sum of its proper divisors (1).

53173871 is an equidigital number, since it uses as much as digits as its factorization.

53173871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 35.

The square root of 53173871 is about 7292.0416208357. The cubic root of 53173871 is about 376.0388875390.

The spelling of 53173871 in words is "fifty-three million, one hundred seventy-three thousand, eight hundred seventy-one".