53185129 has 8 divisors (see below), whose sum is σ = 57377160. Its totient is φ = 49111296.

The previous prime is 53185127. The next prime is 53185141. The reversal of 53185129 is 92158135.

53185129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10413529 + 42771600 = 3227^2 + 6540^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53185129 - 2¹ = 53185127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53185094 and 53185103.

It is not an unprimeable number, because it can be changed into a prime (53185127) 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 7 ways as a sum of consecutive naturals, for example, 28614 + ... + 30415.

It is an arithmetic number, because the mean of its divisors is an integer number (7172145).

Almost surely, 2^53185129 is an apocalyptic number.

It is an amenable number.

53185129 is a deficient number, since it is larger than the sum of its proper divisors (4192031).

53185129 is a wasteful number, since it uses less digits than its factorization.

53185129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59099.

The product of its digits is 10800, while the sum is 34.

The square root of 53185129 is about 7292.8135174293. The cubic root of 53185129 is about 376.0654240501.

The spelling of 53185129 in words is "fifty-three million, one hundred eighty-five thousand, one hundred twenty-nine".