52315698500 has 72 divisors (see below), whose sum is σ = 123089910216. Its totient is φ = 19309756800.

The previous prime is 52315698469. The next prime is 52315698517. The reversal of 52315698500 is 589651325.

It can be written as a sum of positive squares in 12 ways, for example, as 49778964544 + 2536733956 = 223112^2 + 50366^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18439082 + ... + 18441918.

Almost surely, 2^52315698500 is an apocalyptic number.

52315698500 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 52315698500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61544955108).

52315698500 is an abundant number, since it is smaller than the sum of its proper divisors (70774211716).

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

52315698500 is an equidigital number, since it uses as much as digits as its factorization.

52315698500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5706 (or 2857 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 52315698500 in words is "fifty-two billion, three hundred fifteen million, six hundred ninety-eight thousand, five hundred".