52134354520 has 64 divisors (see below), whose sum is σ = 119434525920. Its totient is φ = 20477205504.

The previous prime is 52134354491. The next prime is 52134354599. The reversal of 52134354520 is 2545343125.

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 15 ways as a sum of consecutive naturals, for example, 623514 + ... + 702166.

Almost surely, 2^52134354520 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 52134354520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59717262960).

52134354520 is an abundant number, since it is smaller than the sum of its proper divisors (67300171400).

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

52134354520 is a wasteful number, since it uses less digits than its factorization.

52134354520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78964 (or 78960 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 52134354520 its reverse (2545343125), we get a palindrome (54679697645).

The spelling of 52134354520 in words is "fifty-two billion, one hundred thirty-four million, three hundred fifty-four thousand, five hundred twenty".