53215430232 has 16 divisors (see below), whose sum is σ = 133038575640. Its totient is φ = 17738476736.

The previous prime is 53215430221. The next prime is 53215430249. The reversal of 53215430232 is 23203451235.

It is a self number, because there is not a number n which added to its sum of digits gives 53215430232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108654773 + ... + 1108654820.

Almost surely, 2^53215430232 is an apocalyptic number.

It is an amenable number.

53215430232 is an abundant number, since it is smaller than the sum of its proper divisors (79823145408).

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

53215430232 is a wasteful number, since it uses less digits than its factorization.

53215430232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217309602 (or 2217309598 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 53215430232 its reverse (23203451235), we get a palindrome (76418881467).

The spelling of 53215430232 in words is "fifty-three billion, two hundred fifteen million, four hundred thirty thousand, two hundred thirty-two".