53166109 has 2 divisors, whose sum is σ = 53166110. Its totient is φ = 53166108.

The previous prime is 53166107. The next prime is 53166121. The reversal of 53166109 is 90166135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28196100 + 24970009 = 5310^2 + 4997^2 .

It is a cyclic number.

It is not a de Polignac number, because 53166109 - 2¹ = 53166107 is a prime.

Together with 53166107, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_3179434 and since 53166109 and 3179434 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 (53166101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26583054 + 26583055.

It is an arithmetic number, because the mean of its divisors is an integer number (26583055).

Almost surely, 2^53166109 is an apocalyptic number.

It is an amenable number.

53166109 is a deficient number, since it is larger than the sum of its proper divisors (1).

53166109 is an equidigital number, since it uses as much as digits as its factorization.

53166109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 53166109 is about 7291.5093773512. The cubic root of 53166109 is about 376.0205893546.

The spelling of 53166109 in words is "fifty-three million, one hundred sixty-six thousand, one hundred nine".