52134786 has 96 divisors (see below), whose sum is σ = 130233600. Its totient is φ = 15444000.

The previous prime is 52134757. The next prime is 52134829. The reversal of 52134786 is 68743125.

It is a super-2 number, since 2×52134786² = 5436071822531592, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52134786.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 516136 + ... + 516236.

It is an arithmetic number, because the mean of its divisors is an integer number (1356600).

Almost surely, 2^52134786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52134786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65116800).

52134786 is an abundant number, since it is smaller than the sum of its proper divisors (78098814).

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

52134786 is a wasteful number, since it uses less digits than its factorization.

52134786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 196 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 52134786 is about 7220.4422302239. The cubic root of 52134786 is about 373.5733311928.

It can be divided in two parts, 5213 and 4786, that added together give a palindrome (9999).

The spelling of 52134786 in words is "fifty-two million, one hundred thirty-four thousand, seven hundred eighty-six".