53502132500 has 60 divisors (see below), whose sum is σ = 117256981380. Its totient is φ = 21353568000.

The previous prime is 53502132491. The next prime is 53502132511. The reversal of 53502132500 is 523120535.

It can be written as a sum of positive squares in 10 ways, for example, as 43196634244 + 10305498256 = 207838^2 + 101516^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53502132500.

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 19 ways as a sum of consecutive naturals, for example, 1119086 + ... + 1165914.

It is an arithmetic number, because the mean of its divisors is an integer number (1954283023).

Almost surely, 2^53502132500 is an apocalyptic number.

53502132500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53502132500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58628490690).

53502132500 is an abundant number, since it is smaller than the sum of its proper divisors (63754848880).

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

53502132500 is a wasteful number, since it uses less digits than its factorization.

53502132500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47310 (or 47293 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The spelling of 53502132500 in words is "fifty-three billion, five hundred two million, one hundred thirty-two thousand, five hundred".