55605528000 has 1120 divisors, whose sum is σ = 233012894400. Its totient is φ = 12966912000.

The previous prime is 55605527983. The next prime is 55605528053. The reversal of 55605528000 is 82550655.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 206711866 + ... + 206712134.

Almost surely, 2^55605528000 is an apocalyptic number.

55605528000 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 55605528000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116506447200).

55605528000 is an abundant number, since it is smaller than the sum of its proper divisors (177407366400).

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

55605528000 is a wasteful number, since it uses less digits than its factorization.

55605528000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 55605528000 in words is "fifty-five billion, six hundred five million, five hundred twenty-eight thousand".