30550055500 has 48 divisors (see below), whose sum is σ = 67000752000. Its totient is φ = 12168844800.

The previous prime is 30550055489. The next prime is 30550055519. The reversal of 30550055500 is 555005503.

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 15 ways as a sum of consecutive naturals, for example, 8325 + ... + 247324.

It is an arithmetic number, because the mean of its divisors is an integer number (1395849000).

Almost surely, 2^30550055500 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 30550055500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33500376000).

30550055500 is an abundant number, since it is smaller than the sum of its proper divisors (36450696500).

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

30550055500 is a wasteful number, since it uses less digits than its factorization.

30550055500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255907 (or 255895 counting only the distinct ones).

The product of its (nonzero) digits is 9375, while the sum is 28.

The spelling of 30550055500 in words is "thirty billion, five hundred fifty million, fifty-five thousand, five hundred".