52563287 has 4 divisors (see below), whose sum is σ = 60072336. Its totient is φ = 45054240.

The previous prime is 52563281. The next prime is 52563307. The reversal of 52563287 is 78236525.

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

It is not a de Polignac number, because 52563287 - 2⁶ = 52563223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52563287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52563281) 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, 3754514 + ... + 3754527.

It is an arithmetic number, because the mean of its divisors is an integer number (15018084).

Almost surely, 2^52563287 is an apocalyptic number.

52563287 is a deficient number, since it is larger than the sum of its proper divisors (7509049).

52563287 is an equidigital number, since it uses as much as digits as its factorization.

52563287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7509048.

The product of its digits is 100800, while the sum is 38.

The square root of 52563287 is about 7250.0542756589. The cubic root of 52563287 is about 374.5940187105.

The spelling of 52563287 in words is "fifty-two million, five hundred sixty-three thousand, two hundred eighty-seven".