52130522400000 has 432 divisors, whose sum is σ = 189183278120256. Its totient is φ = 12637696000000.

The previous prime is 52130522399909. The next prime is 52130522400139. The reversal of 52130522400000 is 422503125.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25412680 + ... + 27387320.

It is an arithmetic number, because the mean of its divisors is an integer number (437924254908).

Almost surely, 2^{52130522400000} is an apocalyptic number.

52130522400000 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 52130522400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94591639060128).

52130522400000 is an abundant number, since it is smaller than the sum of its proper divisors (137052755720256).

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

52130522400000 is an equidigital number, since it uses as much as digits as its factorization.

52130522400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974696 (or 1974662 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 52130522400000 its reverse (422503125), we get a palindrome (52130944903125).

The spelling of 52130522400000 in words is "fifty-two trillion, one hundred thirty billion, five hundred twenty-two million, four hundred thousand".