52503522323040 has 288 divisors, whose sum is σ = 188607261024000. Its totient is φ = 13263409013760.

The previous prime is 52503522323011. The next prime is 52503522323041. The reversal of 52503522323040 is 4032322530525.

52503522323040 is a `hidden beast` number, since 5 + 2 + 5 + 0 + 352 + 232 + 30 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×52503522323040² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 52503522322986 and 52503522323004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52503522323041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 862110511 + ... + 862171409.

It is an arithmetic number, because the mean of its divisors is an integer number (654886323000).

Almost surely, 2^{52503522323040} 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 52503522323040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94303630512000).

52503522323040 is an abundant number, since it is smaller than the sum of its proper divisors (136103738700960).

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

52503522323040 is a wasteful number, since it uses less digits than its factorization.

52503522323040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92450 (or 92439 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

Adding to 52503522323040 its reverse (4032322530525), we get a palindrome (56535844853565).

The spelling of 52503522323040 in words is "fifty-two trillion, five hundred three billion, five hundred twenty-two million, three hundred twenty-three thousand, forty".