53215123222452 has 192 divisors, whose sum is σ = 126867358679040. Its totient is φ = 17358694004736.

The previous prime is 53215123222411. The next prime is 53215123222453. The reversal of 53215123222452 is 25422232151235.

It is a self number, because there is not a number n which added to its sum of digits gives 53215123222452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53215123222453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23767360749 + ... + 23767362987.

It is an arithmetic number, because the mean of its divisors is an integer number (660767493120).

Almost surely, 2^{53215123222452} is an apocalyptic number.

It is an amenable number.

53215123222452 is an abundant number, since it is smaller than the sum of its proper divisors (73652235456588).

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

53215123222452 is a wasteful number, since it uses less digits than its factorization.

53215123222452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182 (or 3180 counting only the distinct ones).

The product of its digits is 288000, while the sum is 39.

Adding to 53215123222452 its reverse (25422232151235), we get a palindrome (78637355373687).

The spelling of 53215123222452 in words is "fifty-three trillion, two hundred fifteen billion, one hundred twenty-three million, two hundred twenty-two thousand, four hundred fifty-two".