53447094520 has 32 divisors (see below), whose sum is σ = 120885592320. Its totient is φ = 21266903680.

The previous prime is 53447094517. The next prime is 53447094527. The reversal of 53447094520 is 2549074435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53447094527) 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 7 ways as a sum of consecutive naturals, for example, 3490207 + ... + 3505486.

It is an arithmetic number, because the mean of its divisors is an integer number (3777674760).

Almost surely, 2^53447094520 is an apocalyptic number.

It is an amenable number.

53447094520 is an abundant number, since it is smaller than the sum of its proper divisors (67438497800).

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

53447094520 is a wasteful number, since it uses less digits than its factorization.

53447094520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6995895 (or 6995891 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 53447094520 in words is "fifty-three billion, four hundred forty-seven million, ninety-four thousand, five hundred twenty".