53688129 has 16 divisors (see below), whose sum is σ = 82202880. Its totient is φ = 30825360.

The previous prime is 53688121. The next prime is 53688133. The reversal of 53688129 is 92188635.

53688129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53688129 - 2³ = 53688121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53688121) 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 in 15 ways as a sum of consecutive naturals, for example, 42187 + ... + 43440.

It is an arithmetic number, because the mean of its divisors is an integer number (5137680).

Almost surely, 2^53688129 is an apocalyptic number.

It is an amenable number.

53688129 is a deficient number, since it is larger than the sum of its proper divisors (28514751).

53688129 is a wasteful number, since it uses less digits than its factorization.

53688129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85660.

The product of its digits is 103680, while the sum is 42.

The square root of 53688129 is about 7327.2183671568. The cubic root of 53688129 is about 377.2472562261.

The spelling of 53688129 in words is "fifty-three million, six hundred eighty-eight thousand, one hundred twenty-nine".