52549429 has 2 divisors, whose sum is σ = 52549430. Its totient is φ = 52549428.

The previous prime is 52549423. The next prime is 52549439. The reversal of 52549429 is 92494525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51868804 + 680625 = 7202^2 + 825^2 .

It is a cyclic number.

It is not a de Polignac number, because 52549429 - 2¹⁵ = 52516661 is a prime.

It is a super-4 number, since 4×52549429⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 52549391 and 52549400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52549423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26274714 + 26274715.

It is an arithmetic number, because the mean of its divisors is an integer number (26274715).

Almost surely, 2^52549429 is an apocalyptic number.

It is an amenable number.

52549429 is a deficient number, since it is larger than the sum of its proper divisors (1).

52549429 is an equidigital number, since it uses as much as digits as its factorization.

52549429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 40.

The square root of 52549429 is about 7249.0984956752. The cubic root of 52549429 is about 374.5610959839.

The spelling of 52549429 in words is "fifty-two million, five hundred forty-nine thousand, four hundred twenty-nine".