30803055 has 16 divisors (see below), whose sum is σ = 50617824. Its totient is φ = 15984000.

The previous prime is 30803041. The next prime is 30803063. The reversal of 30803055 is 55030803.

It is not a de Polignac number, because 30803055 - 2⁴ = 30803039 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 27196 + ... + 28305.

It is an arithmetic number, because the mean of its divisors is an integer number (3163614).

Almost surely, 2^30803055 is an apocalyptic number.

30803055 is a deficient number, since it is larger than the sum of its proper divisors (19814769).

30803055 is a wasteful number, since it uses less digits than its factorization.

30803055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55546.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 30803055 is about 5550.0499997748. The cubic root of 30803055 is about 313.4714049960.

Adding to 30803055 its reverse (55030803), we get a palindrome (85833858).

The spelling of 30803055 in words is "thirty million, eight hundred three thousand, fifty-five".