55444153200 has 120 divisors (see below), whose sum is σ = 178884384000. Its totient is φ = 14678695680.

The previous prime is 55444153181. The next prime is 55444153253. The reversal of 55444153200 is 235144455.

55444153200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 601 + ... + 332999.

It is an arithmetic number, because the mean of its divisors is an integer number (1490703200).

Almost surely, 2^55444153200 is an apocalyptic number.

55444153200 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 55444153200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89442192000).

55444153200 is an abundant number, since it is smaller than the sum of its proper divisors (123440230800).

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

55444153200 is a wasteful number, since it uses less digits than its factorization.

55444153200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332559 (or 332548 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 55444153200 its reverse (235144455), we get a palindrome (55679297655).

The spelling of 55444153200 in words is "fifty-five billion, four hundred forty-four million, one hundred fifty-three thousand, two hundred".