52018687 has 8 divisors (see below), whose sum is σ = 59494400. Its totient is φ = 44554104.

The previous prime is 52018669. The next prime is 52018693. The reversal of 52018687 is 78681025.

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

It is a de Polignac number, because none of the positive numbers 2^k-52018687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52018607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14014 + ... + 17332.

It is an arithmetic number, because the mean of its divisors is an integer number (7436800).

Almost surely, 2^52018687 is an apocalyptic number.

52018687 is a deficient number, since it is larger than the sum of its proper divisors (7475713).

52018687 is a wasteful number, since it uses less digits than its factorization.

52018687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 52018687 is about 7212.3981448614. The cubic root of 52018687 is about 373.2958215038.

The spelling of 52018687 in words is "fifty-two million, eighteen thousand, six hundred eighty-seven".