53889787897344 has 400 divisors, whose sum is σ = 193499962233600. Its totient is φ = 14586708013056.

The previous prime is 53889787897339. The next prime is 53889787897403. The reversal of 53889787897344 is 44379878798835.

53889787897344 is a `hidden beast` number, since 5 + 38 + 89 + 7 + 8 + 78 + 97 + 344 = 666.

It is a super-3 number, since 3×53889787897344³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 630717 + ... + 10400835.

It is an arithmetic number, because the mean of its divisors is an integer number (483749905584).

Almost surely, 2^{53889787897344} is an apocalyptic number.

53889787897344 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53889787897344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96749981116800).

53889787897344 is an abundant number, since it is smaller than the sum of its proper divisors (139610174336256).

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

53889787897344 is an equidigital number, since it uses as much as digits as its factorization.

53889787897344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9770175 (or 9770150 counting only the distinct ones).

The product of its digits is 81935400960, while the sum is 90.

The spelling of 53889787897344 in words is "fifty-three trillion, eight hundred eighty-nine billion, seven hundred eighty-seven million, eight hundred ninety-seven thousand, three hundred forty-four".