53434447212 has 12 divisors (see below), whose sum is σ = 124680376856. Its totient is φ = 17811482400.

The previous prime is 53434447207. The next prime is 53434447219. The reversal of 53434447212 is 21274443435.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (53434447219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2226435289 + ... + 2226435312.

Almost surely, 2^53434447212 is an apocalyptic number.

It is an amenable number.

53434447212 is an abundant number, since it is smaller than the sum of its proper divisors (71245929644).

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

53434447212 is a wasteful number, since it uses less digits than its factorization.

53434447212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4452870608 (or 4452870606 counting only the distinct ones).

The product of its digits is 322560, while the sum is 39.

The spelling of 53434447212 in words is "fifty-three billion, four hundred thirty-four million, four hundred forty-seven thousand, two hundred twelve".