52213011232500 has 90 divisors (see below), whose sum is σ = 164925818795738. Its totient is φ = 13923469656000.

The previous prime is 52213011232483. The next prime is 52213011232507. The reversal of 52213011232500 is 523211031225.

52213011232500 is a `hidden beast` number, since 5 + 2 + 2 + 1 + 30 + 1 + 123 + 2 + 500 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 29501648497764 + 22711362734736 = 5431542^2 + 4765644^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52213011232507) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1160266639 + ... + 1160311638.

Almost surely, 2^{52213011232500} is an apocalyptic number.

52213011232500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52213011232500 is an abundant number, since it is smaller than the sum of its proper divisors (112712807563238).

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

52213011232500 is a wasteful number, since it uses less digits than its factorization.

52213011232500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320578307 (or 2320578287 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 52213011232500 its reverse (523211031225), we get a palindrome (52736222263725).

The spelling of 52213011232500 in words is "fifty-two trillion, two hundred thirteen billion, eleven million, two hundred thirty-two thousand, five hundred".