52630129 has 4 divisors (see below), whose sum is σ = 53492980. Its totient is φ = 51767280.

The previous prime is 52630111. The next prime is 52630139. The reversal of 52630129 is 92103625.

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 8381025 + 44249104 = 2895^2 + 6652^2 .

It is a cyclic number.

It is not a de Polignac number, because 52630129 - 2¹³ = 52621937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52630097 and 52630106.

It is not an unprimeable number, because it can be changed into a prime (52630139) 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 in 3 ways as a sum of consecutive naturals, for example, 431334 + ... + 431455.

It is an arithmetic number, because the mean of its divisors is an integer number (13373245).

Almost surely, 2^52630129 is an apocalyptic number.

It is an amenable number.

52630129 is a deficient number, since it is larger than the sum of its proper divisors (862851).

52630129 is an equidigital number, since it uses as much as digits as its factorization.

52630129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862850.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 52630129 is about 7254.6625696858. The cubic root of 52630129 is about 374.7527353667.

The spelling of 52630129 in words is "fifty-two million, six hundred thirty thousand, one hundred twenty-nine".