52487999 has 8 divisors (see below), whose sum is σ = 55189920. Its totient is φ = 49845600.

The previous prime is 52487989. The next prime is 52488011. The reversal of 52487999 is 99978425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52487999 - 2¹² = 52483903 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 52487999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52487989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13067 + ... + 16604.

It is an arithmetic number, because the mean of its divisors is an integer number (6898740).

Almost surely, 2^52487999 is an apocalyptic number.

52487999 is a deficient number, since it is larger than the sum of its proper divisors (2701921).

52487999 is a wasteful number, since it uses less digits than its factorization.

52487999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29761.

The product of its digits is 1632960, while the sum is 53.

The square root of 52487999 is about 7244.8601780849. The cubic root of 52487999 is about 374.4150857716.

The spelling of 52487999 in words is "fifty-two million, four hundred eighty-seven thousand, nine hundred ninety-nine".