53169287 has 2 divisors, whose sum is σ = 53169288. Its totient is φ = 53169286.

The previous prime is 53169269. The next prime is 53169299. The reversal of 53169287 is 78296135.

53169287 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 is a cyclic number.

It is not a de Polignac number, because 53169287 - 2¹² = 53165191 is a prime.

It is equal to p_3179597 and since 53169287 and 3179597 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53169187) 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, 26584643 + 26584644.

It is an arithmetic number, because the mean of its divisors is an integer number (26584644).

Almost surely, 2^53169287 is an apocalyptic number.

53169287 is a deficient number, since it is larger than the sum of its proper divisors (1).

53169287 is an equidigital number, since it uses as much as digits as its factorization.

53169287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 53169287 is about 7291.7272987955. The cubic root of 53169287 is about 376.0280814058.

The spelling of 53169287 in words is "fifty-three million, one hundred sixty-nine thousand, two hundred eighty-seven".