52529647 has 4 divisors (see below), whose sum is σ = 53420040. Its totient is φ = 51639256.

The previous prime is 52529641. The next prime is 52529663. The reversal of 52529647 is 74692525.

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

It is a cyclic number.

It is not a de Polignac number, because 52529647 - 2¹¹ = 52527599 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52529641) 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, 445108 + ... + 445225.

It is an arithmetic number, because the mean of its divisors is an integer number (13355010).

Almost surely, 2^52529647 is an apocalyptic number.

52529647 is a deficient number, since it is larger than the sum of its proper divisors (890393).

52529647 is an equidigital number, since it uses as much as digits as its factorization.

52529647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890392.

The product of its digits is 151200, while the sum is 40.

The square root of 52529647 is about 7247.7339217165. The cubic root of 52529647 is about 374.5140894626.

The spelling of 52529647 in words is "fifty-two million, five hundred twenty-nine thousand, six hundred forty-seven".