53447074436 has 12 divisors (see below), whose sum is σ = 106894148928. Its totient is φ = 22905889032.

The previous prime is 53447074393. The next prime is 53447074441. The reversal of 53447074436 is 63447074435.

53447074436 is an admirable 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, 954412016 + ... + 954412071.

It is an arithmetic number, because the mean of its divisors is an integer number (8907845744).

Almost surely, 2^53447074436 is an apocalyptic number.

It is an amenable number.

53447074436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53447074436 is a wasteful number, since it uses less digits than its factorization.

53447074436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908824098 (or 1908824096 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 47.

Subtracting 53447074436 from its reverse (63447074435), we obtain a palindrome (9999999999).

The spelling of 53447074436 in words is "fifty-three billion, four hundred forty-seven million, seventy-four thousand, four hundred thirty-six".