53444444000 has 96 divisors (see below), whose sum is σ = 132518786400. Its totient is φ = 21181478400.

The previous prime is 53444443993. The next prime is 53444444033. The reversal of 53444444000 is 44444435.

It is a happy number.

53444444000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 374711 + ... + 497289.

It is an arithmetic number, because the mean of its divisors is an integer number (1380404025).

Almost surely, 2^53444444000 is an apocalyptic number.

53444444000 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 53444444000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66259393200).

53444444000 is an abundant number, since it is smaller than the sum of its proper divisors (79074342400).

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

53444444000 is a wasteful number, since it uses less digits than its factorization.

53444444000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122713 (or 122695 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 53444444000 its reverse (44444435), we get a palindrome (53488888435).

The spelling of 53444444000 in words is "fifty-three billion, four hundred forty-four million, four hundred forty-four thousand".