52384287 has 4 divisors (see below), whose sum is σ = 69845720. Its totient is φ = 34922856.

The previous prime is 52384247. The next prime is 52384303. The reversal of 52384287 is 78248325.

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

It is not a de Polignac number, because 52384287 - 2⁶ = 52384223 is a prime.

It is a super-2 number, since 2×52384287² = 5488227048996738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52384217) 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, 8730712 + ... + 8730717.

It is an arithmetic number, because the mean of its divisors is an integer number (17461430).

Almost surely, 2^52384287 is an apocalyptic number.

52384287 is a deficient number, since it is larger than the sum of its proper divisors (17461433).

52384287 is a wasteful number, since it uses less digits than its factorization.

52384287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17461432.

The product of its digits is 107520, while the sum is 39.

The square root of 52384287 is about 7237.6990128079. The cubic root of 52384287 is about 374.1683186243.

The spelling of 52384287 in words is "fifty-two million, three hundred eighty-four thousand, two hundred eighty-seven".