55444000500 has 768 divisors, whose sum is σ = 213999851520. Its totient is φ = 12130560000.

The previous prime is 55444000499. The next prime is 55444000511. The reversal of 55444000500 is 500044455.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 353146422 + ... + 353146578.

It is an arithmetic number, because the mean of its divisors is an integer number (278645640).

Almost surely, 2^55444000500 is an apocalyptic number.

55444000500 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 55444000500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106999925760).

55444000500 is an abundant number, since it is smaller than the sum of its proper divisors (158555851020).

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

55444000500 is a wasteful number, since it uses less digits than its factorization.

55444000500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

Adding to 55444000500 its reverse (500044455), we get a palindrome (55944044955).

The spelling of 55444000500 in words is "fifty-five billion, four hundred forty-four million, five hundred", and thus it is an aban number.