53820489272 has 48 divisors (see below), whose sum is σ = 111214786200. Its totient is φ = 24399144000.

The previous prime is 53820489269. The next prime is 53820489287. The reversal of 53820489272 is 27298402835.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 53820489272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293522 + ... + 440222.

Almost surely, 2^53820489272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53820489272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55607393100).

53820489272 is an abundant number, since it is smaller than the sum of its proper divisors (57394296928).

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

53820489272 is a wasteful number, since it uses less digits than its factorization.

53820489272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147108 (or 147093 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 53820489272 in words is "fifty-three billion, eight hundred twenty million, four hundred eighty-nine thousand, two hundred seventy-two".