30005055250 has 32 divisors (see below), whose sum is σ = 59473557936. Its totient is φ = 11296019200.

The previous prime is 30005055229. The next prime is 30005055251. The reversal of 30005055250 is 5255050003.

It can be written as a sum of positive squares in 8 ways, for example, as 233289 + 30004821961 = 483^2 + 173219^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30005055251) by changing a digit.

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, 3525757 + ... + 3534256.

Almost surely, 2^30005055250 is an apocalyptic number.

30005055250 is a deficient number, since it is larger than the sum of its proper divisors (29468502686).

30005055250 is a wasteful number, since it uses less digits than its factorization.

30005055250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7060047 (or 7060037 counting only the distinct ones).

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

The spelling of 30005055250 in words is "thirty billion, five million, fifty-five thousand, two hundred fifty".