30055206 has 16 divisors (see below), whose sum is σ = 60364800. Its totient is φ = 9976008.

The previous prime is 30055147. The next prime is 30055217. The reversal of 30055206 is 60255003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9046 + ... + 11913.

It is an arithmetic number, because the mean of its divisors is an integer number (3772800).

Almost surely, 2^30055206 is an apocalyptic number.

30055206 is an abundant number, since it is smaller than the sum of its proper divisors (30309594).

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

30055206 is a wasteful number, since it uses less digits than its factorization.

30055206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21203.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 30055206 is about 5482.2628539682. The cubic root of 30055206 is about 310.9137314441.

The spelling of 30055206 in words is "thirty million, fifty-five thousand, two hundred six".