53443867800 has 192 divisors, whose sum is σ = 168019246080. Its totient is φ = 14051427840.

The previous prime is 53443867781. The next prime is 53443867817. The reversal of 53443867800 is 876834435.

It is a self number, because there is not a number n which added to its sum of digits gives 53443867800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14314734 + ... + 14318466.

It is an arithmetic number, because the mean of its divisors is an integer number (875100240).

Almost surely, 2^53443867800 is an apocalyptic number.

53443867800 is a gapful number since it is divisible by the number (50) 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 53443867800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84009623040).

53443867800 is an abundant number, since it is smaller than the sum of its proper divisors (114575378280).

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

53443867800 is a wasteful number, since it uses less digits than its factorization.

53443867800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082 (or 4073 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 53443867800 in words is "fifty-three billion, four hundred forty-three million, eight hundred sixty-seven thousand, eight hundred".