53447730416 has 20 divisors (see below), whose sum is σ = 106895461824. Its totient is φ = 25861804800.

The previous prime is 53447730407. The next prime is 53447730437. The reversal of 53447730416 is 61403774435.

It is a happy number.

53447730416 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 53878265 + ... + 53879256.

Almost surely, 2^53447730416 is an apocalyptic number.

It is an amenable number.

53447730416 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.

53447730416 is a wasteful number, since it uses less digits than its factorization.

53447730416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107757560 (or 107757554 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 53447730416 in words is "fifty-three billion, four hundred forty-seven million, seven hundred thirty thousand, four hundred sixteen".