52186836 has 48 divisors (see below), whose sum is σ = 133120064. Its totient is φ = 15814656.

The previous prime is 52186829. The next prime is 52186843. The reversal of 52186836 is 63868125.

It is a happy number.

52186836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52186829) and next prime (52186843).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 52186794 and 52186803.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7956 + ... + 12948.

Almost surely, 2^52186836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52186836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66560032).

52186836 is an abundant number, since it is smaller than the sum of its proper divisors (80933228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52186836 is a wasteful number, since it uses less digits than its factorization.

52186836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080 (or 5078 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 52186836 is about 7224.0456809187. The cubic root of 52186836 is about 373.6976117740.

The spelling of 52186836 in words is "fifty-two million, one hundred eighty-six thousand, eight hundred thirty-six".