30500005550 has 72 divisors (see below), whose sum is σ = 68426508816. Its totient is φ = 9906727680.

The previous prime is 30500005537. The next prime is 30500005603. The reversal of 30500005550 is 5550000503.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 5654 + ... + 247046.

It is an arithmetic number, because the mean of its divisors is an integer number (950368178).

Almost surely, 2^30500005550 is an apocalyptic number.

30500005550 is an abundant number, since it is smaller than the sum of its proper divisors (37926503266).

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

30500005550 is a wasteful number, since it uses less digits than its factorization.

30500005550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241450 (or 241426 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 23.

The spelling of 30500005550 in words is "thirty billion, five hundred million, five thousand, five hundred fifty".