52814987 has 4 divisors (see below), whose sum is σ = 53169600. Its totient is φ = 52460376.

The previous prime is 52814963. The next prime is 52814999. The reversal of 52814987 is 78941825.

52814987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52814987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52814287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177083 + ... + 177380.

It is an arithmetic number, because the mean of its divisors is an integer number (13292400).

Almost surely, 2^52814987 is an apocalyptic number.

52814987 is a deficient number, since it is larger than the sum of its proper divisors (354613).

52814987 is a wasteful number, since it uses less digits than its factorization.

52814987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354612.

The product of its digits is 161280, while the sum is 44.

The square root of 52814987 is about 7267.3920356618. The cubic root of 52814987 is about 375.1909830144.

The spelling of 52814987 in words is "fifty-two million, eight hundred fourteen thousand, nine hundred eighty-seven".