53075129 has 4 divisors (see below), whose sum is σ = 53094180. Its totient is φ = 53056080.

The previous prime is 53075117. The next prime is 53075147. The reversal of 53075129 is 92157035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52128400 + 946729 = 7220^2 + 973^2 .

It is a cyclic number.

It is not a de Polignac number, because 53075129 - 2²⁰ = 52026553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53075095 and 53075104.

It is not an unprimeable number, because it can be changed into a prime (53075159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4442 + ... + 11219.

It is an arithmetic number, because the mean of its divisors is an integer number (13273545).

Almost surely, 2^53075129 is an apocalyptic number.

It is an amenable number.

53075129 is a deficient number, since it is larger than the sum of its proper divisors (19051).

53075129 is a wasteful number, since it uses less digits than its factorization.

53075129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19050.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 53075129 is about 7285.2679429105. The cubic root of 53075129 is about 375.8059796689.

The spelling of 53075129 in words is "fifty-three million, seventy-five thousand, one hundred twenty-nine".