53321245124652 has 144 divisors (see below), whose sum is σ = 142842144725280. Its totient is φ = 16741204300800.

The previous prime is 53321245124639. The next prime is 53321245124761. The reversal of 53321245124652 is 25642154212335.

53321245124652 is a `hidden beast` number, since 5 + 3 + 3 + 2 + 124 + 512 + 4 + 6 + 5 + 2 = 666.

It is a super-2 number, since 2×53321245124652² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53321245124598 and 53321245124607.

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, 867221103 + ... + 867282585.

It is an arithmetic number, because the mean of its divisors is an integer number (991959338370).

Almost surely, 2^{53321245124652} 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 53321245124652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71421072362640).

53321245124652 is an abundant number, since it is smaller than the sum of its proper divisors (89520899600628).

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

53321245124652 is a wasteful number, since it uses less digits than its factorization.

53321245124652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81824 (or 81819 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

Adding to 53321245124652 its reverse (25642154212335), we get a palindrome (78963399336987).

The spelling of 53321245124652 in words is "fifty-three trillion, three hundred twenty-one billion, two hundred forty-five million, one hundred twenty-four thousand, six hundred fifty-two".