55244288000 has 416 divisors, whose sum is σ = 159530275008. Its totient is φ = 18874368000.

The previous prime is 55244287997. The next prime is 55244288039. The reversal of 55244288000 is 88244255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95743712 + ... + 95744288.

It is an arithmetic number, because the mean of its divisors is an integer number (383486238).

Almost surely, 2^55244288000 is an apocalyptic number.

55244288000 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 55244288000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79765137504).

55244288000 is an abundant number, since it is smaller than the sum of its proper divisors (104285987008).

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

55244288000 is a wasteful number, since it uses less digits than its factorization.

55244288000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 38.

The spelling of 55244288000 in words is "fifty-five billion, two hundred forty-four million, two hundred eighty-eight thousand".