30000055025 has 6 divisors (see below), whose sum is σ = 37200068262. Its totient is φ = 24000044000.

The previous prime is 30000055013. The next prime is 30000055027. The reversal of 30000055025 is 52055000003.

It can be written as a sum of positive squares in 3 ways, for example, as 199628641 + 29800426384 = 14129^2 + 172628^2 .

It is not a de Polignac number, because 30000055025 - 2¹⁴ = 30000038641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30000054988 and 30000055006.

It is not an unprimeable number, because it can be changed into a prime (30000055027) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 600001076 + ... + 600001125.

It is an arithmetic number, because the mean of its divisors is an integer number (6200011377).

Almost surely, 2^30000055025 is an apocalyptic number.

It is an amenable number.

30000055025 is a deficient number, since it is larger than the sum of its proper divisors (7200013237).

30000055025 is a wasteful number, since it uses less digits than its factorization.

30000055025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200002211 (or 1200002206 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

Adding to 30000055025 its reverse (52055000003), we get a palindrome (82055055028).

The spelling of 30000055025 in words is "thirty billion, fifty-five thousand, twenty-five".