30030055 has 8 divisors (see below), whose sum is σ = 39312144. Its totient is φ = 21840000.

The previous prime is 30030043. The next prime is 30030061. The reversal of 30030055 is 55003003.

It is a happy number.

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

It is not a de Polignac number, because 30030055 - 2⁵ = 30030023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272946 + ... + 273055.

It is an arithmetic number, because the mean of its divisors is an integer number (4914018).

Almost surely, 2^30030055 is an apocalyptic number.

30030055 is a deficient number, since it is larger than the sum of its proper divisors (9282089).

30030055 is a wasteful number, since it uses less digits than its factorization.

30030055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546017.

The product of its (nonzero) digits is 225, while the sum is 16.

The square root of 30030055 is about 5479.9685218074. The cubic root of 30030055 is about 310.8269802664.

Adding to 30030055 its reverse (55003003), we get a palindrome (85033058).

The spelling of 30030055 in words is "thirty million, thirty thousand, fifty-five".