30025505500 has 24 divisors (see below), whose sum is σ = 65575705104. Its totient is φ = 12010202000.

The previous prime is 30025505473. The next prime is 30025505501. The reversal of 30025505500 is 550552003.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30025505501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30025006 + ... + 30026005.

It is an arithmetic number, because the mean of its divisors is an integer number (2732321046).

Almost surely, 2^30025505500 is an apocalyptic number.

It is an amenable number.

30025505500 is an abundant number, since it is smaller than the sum of its proper divisors (35550199604).

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

30025505500 is a wasteful number, since it uses less digits than its factorization.

30025505500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60051030 (or 60051018 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 25.

The spelling of 30025505500 in words is "thirty billion, twenty-five million, five hundred five thousand, five hundred".