52130045520 has 480 divisors, whose sum is σ = 208953888000. Its totient is φ = 11635964928.

The previous prime is 52130045519. The next prime is 52130045521. The reversal of 52130045520 is 2554003125.

It is a happy number.

52130045520 is a `hidden beast` number, since 5 + 2 + 130 + 0 + 4 + 5 + 520 = 666.

It is an interprime number because it is at equal distance from previous prime (52130045519) and next prime (52130045521).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52130045521) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10616826 + ... + 10621734.

It is an arithmetic number, because the mean of its divisors is an integer number (435320600).

Almost surely, 2^52130045520 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 52130045520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104476944000).

52130045520 is an abundant number, since it is smaller than the sum of its proper divisors (156823842480).

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

52130045520 is a wasteful number, since it uses less digits than its factorization.

52130045520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992 (or 4969 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 52130045520 its reverse (2554003125), we get a palindrome (54684048645).

The spelling of 52130045520 in words is "fifty-two billion, one hundred thirty million, forty-five thousand, five hundred twenty".