52860287 has 4 divisors (see below), whose sum is σ = 54089640. Its totient is φ = 51630936.

The previous prime is 52860277. The next prime is 52860317. The reversal of 52860287 is 78206825.

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 52860287 - 2⁴ = 52860271 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 52860287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52860257) 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, 614612 + ... + 614697.

It is an arithmetic number, because the mean of its divisors is an integer number (13522410).

Almost surely, 2^52860287 is an apocalyptic number.

52860287 is a deficient number, since it is larger than the sum of its proper divisors (1229353).

52860287 is a wasteful number, since it uses less digits than its factorization.

52860287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229352.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 52860287 is about 7270.5080290170. The cubic root of 52860287 is about 375.2982208494.

The spelling of 52860287 in words is "fifty-two million, eight hundred sixty thousand, two hundred eighty-seven".