53543899344 has 80 divisors (see below), whose sum is σ = 149361884672. Its totient is φ = 16430805504.

The previous prime is 53543899337. The next prime is 53543899361. The reversal of 53543899344 is 44399834535.

53543899344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117729 + ... + 347775.

Almost surely, 2^53543899344 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 53543899344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74680942336).

53543899344 is an abundant number, since it is smaller than the sum of its proper divisors (95817985328).

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

53543899344 is a wasteful number, since it uses less digits than its factorization.

53543899344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230444 (or 230438 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 57.

The spelling of 53543899344 in words is "fifty-three billion, five hundred forty-three million, eight hundred ninety-nine thousand, three hundred forty-four".