52891429 has 4 divisors (see below), whose sum is σ = 52906060. Its totient is φ = 52876800.

The previous prime is 52891411. The next prime is 52891451. The reversal of 52891429 is 92419825.

52891429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 33663204 + 19228225 = 5802^2 + 4385^2 .

It is a cyclic number.

It is not a de Polignac number, because 52891429 - 2¹¹ = 52889381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52891391 and 52891400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52891409) 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 3 ways as a sum of consecutive naturals, for example, 2479 + ... + 10579.

It is an arithmetic number, because the mean of its divisors is an integer number (13226515).

Almost surely, 2^52891429 is an apocalyptic number.

It is an amenable number.

52891429 is a deficient number, since it is larger than the sum of its proper divisors (14631).

52891429 is an equidigital number, since it uses as much as digits as its factorization.

52891429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14630.

The product of its digits is 51840, while the sum is 40.

The square root of 52891429 is about 7272.6493796965. The cubic root of 52891429 is about 375.3719071863.

The spelling of 52891429 in words is "fifty-two million, eight hundred ninety-one thousand, four hundred twenty-nine".