52521536214 has 96 divisors (see below), whose sum is σ = 135882783360. Its totient is φ = 14993684496.

The previous prime is 52521536209. The next prime is 52521536231. The reversal of 52521536214 is 41263512525.

52521536214 is a `hidden beast` number, since 5 + 2 + 5 + 21 + 5 + 3 + 621 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3450729 + ... + 3465915.

It is an arithmetic number, because the mean of its divisors is an integer number (1415445660).

Almost surely, 2^52521536214 is an apocalyptic number.

52521536214 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52521536214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67941391680).

52521536214 is an abundant number, since it is smaller than the sum of its proper divisors (83361247146).

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

52521536214 is a wasteful number, since it uses less digits than its factorization.

52521536214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16519 (or 16506 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The spelling of 52521536214 in words is "fifty-two billion, five hundred twenty-one million, five hundred thirty-six thousand, two hundred fourteen".