52689429 has 48 divisors (see below), whose sum is σ = 86195200. Its totient is φ = 30792960.

The previous prime is 52689407. The next prime is 52689437. The reversal of 52689429 is 92498625.

52689429 is a `hidden beast` number, since 526 + 89 + 42 + 9 = 666.

It is not a de Polignac number, because 52689429 - 2¹⁷ = 52558357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52689499) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 264672 + ... + 264870.

Almost surely, 2^52689429 is an apocalyptic number.

It is an amenable number.

52689429 is a deficient number, since it is larger than the sum of its proper divisors (33505771).

52689429 is a wasteful number, since it uses less digits than its factorization.

52689429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 319 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 52689429 is about 7258.7484458411. The cubic root of 52689429 is about 374.8934310510.

The spelling of 52689429 in words is "fifty-two million, six hundred eighty-nine thousand, four hundred twenty-nine".