52524287 has 4 divisors (see below), whose sum is σ = 52566696. Its totient is φ = 52481880.

The previous prime is 52524253. The next prime is 52524289. The reversal of 52524287 is 78242525.

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 52524287 - 2⁶ = 52524223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52524289) 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, 19289 + ... + 21842.

It is an arithmetic number, because the mean of its divisors is an integer number (13141674).

Almost surely, 2^52524287 is an apocalyptic number.

52524287 is a deficient number, since it is larger than the sum of its proper divisors (42409).

52524287 is a wasteful number, since it uses less digits than its factorization.

52524287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42408.

The product of its digits is 44800, while the sum is 35.

The square root of 52524287 is about 7247.3641415345. The cubic root of 52524287 is about 374.5013508543.

The spelling of 52524287 in words is "fifty-two million, five hundred twenty-four thousand, two hundred eighty-seven".