52003510400000 has 264 divisors, whose sum is σ = 130422174555960. Its totient is φ = 20723732480000.

The previous prime is 52003510399991. The next prime is 52003510400003. The reversal of 52003510400000 is 401530025.

It can be written as a sum of positive squares in 12 ways, for example, as 52000020898816 + 3489501184 = 7211104^2 + 59072^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52003510400003) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 860769794 + ... + 860830206.

Almost surely, 2^{52003510400000} is an apocalyptic number.

52003510400000 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 52003510400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65211087277980).

52003510400000 is an abundant number, since it is smaller than the sum of its proper divisors (78418664155960).

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

52003510400000 is an frugal number, since it uses more digits than its factorization.

52003510400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60727 (or 60689 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 52003510400000 its reverse (401530025), we get a palindrome (52003911930025).

The spelling of 52003510400000 in words is "fifty-two trillion, three billion, five hundred ten million, four hundred thousand".