52987 has 4 divisors (see below), whose sum is σ = 57816. Its totient is φ = 48160.

The previous prime is 52981. The next prime is 52999. The reversal of 52987 is 78925.

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 52987 - 2⁷ = 52859 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (52981) 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, 2398 + ... + 2419.

It is an arithmetic number, because the mean of its divisors is an integer number (14454).

2⁵²⁹⁸⁷ is an apocalyptic number.

52987 is a deficient number, since it is larger than the sum of its proper divisors (4829).

52987 is a wasteful number, since it uses less digits than its factorization.

52987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828.

The product of its digits is 5040, while the sum is 31.

The square root of 52987 is about 230.1890527371. The cubic root of 52987 is about 37.5597861140.

It can be divided in two parts, 529 and 87, that added together give a palindrome (616).

The spelling of 52987 in words is "fifty-two thousand, nine hundred eighty-seven".