55328330288 has 480 divisors, whose sum is σ = 150774349824. Its totient is φ = 19160064000.

The previous prime is 55328330273. The next prime is 55328330327. The reversal of 55328330288 is 88203382355.

It is a super-2 number, since 2×55328330288² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 435656081 + ... + 435656207.

Almost surely, 2^55328330288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55328330288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75387174912).

55328330288 is an abundant number, since it is smaller than the sum of its proper divisors (95446019536).

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

55328330288 is a wasteful number, since it uses less digits than its factorization.

55328330288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 55328330288 in words is "fifty-five billion, three hundred twenty-eight million, three hundred thirty thousand, two hundred eighty-eight".