52646143 has 4 divisors (see below), whose sum is σ = 57432168. Its totient is φ = 47860120.

The previous prime is 52646141. The next prime is 52646159. The reversal of 52646143 is 34164625.

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

It is not a de Polignac number, because 52646143 - 2¹ = 52646141 is a prime.

It is a Smith number, since the sum of its digits (31) 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 (52646141) 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, 2392996 + ... + 2393017.

It is an arithmetic number, because the mean of its divisors is an integer number (14358042).

Almost surely, 2^52646143 is an apocalyptic number.

52646143 is a deficient number, since it is larger than the sum of its proper divisors (4786025).

52646143 is a wasteful number, since it uses less digits than its factorization.

52646143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786024.

The product of its digits is 17280, while the sum is 31.

The square root of 52646143 is about 7255.7661897280. The cubic root of 52646143 is about 374.7907407314.

The spelling of 52646143 in words is "fifty-two million, six hundred forty-six thousand, one hundred forty-three".