30555249985 has 8 divisors (see below), whose sum is σ = 39486784680. Its totient is φ = 22563876864.

The previous prime is 30555249953. The next prime is 30555249997. The reversal of 30555249985 is 58994255503.

It can be written as a sum of positive squares in 4 ways, for example, as 3837059136 + 26718190849 = 61944^2 + 163457^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30555249985 - 2⁵ = 30555249953 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235040320 + ... + 235040449.

It is an arithmetic number, because the mean of its divisors is an integer number (4935848085).

Almost surely, 2^30555249985 is an apocalyptic number.

It is an amenable number.

30555249985 is a deficient number, since it is larger than the sum of its proper divisors (8931534695).

30555249985 is a wasteful number, since it uses less digits than its factorization.

30555249985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470080787.

The product of its (nonzero) digits is 9720000, while the sum is 55.

The spelling of 30555249985 in words is "thirty billion, five hundred fifty-five million, two hundred forty-nine thousand, nine hundred eighty-five".