30055444 has 12 divisors (see below), whose sum is σ = 53089344. Its totient is φ = 14887064.

The previous prime is 30055429. The next prime is 30055453. The reversal of 30055444 is 44455003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34684 + ... + 35539.

It is an arithmetic number, because the mean of its divisors is an integer number (4424112).

Almost surely, 2^30055444 is an apocalyptic number.

It is an amenable number.

30055444 is a deficient number, since it is larger than the sum of its proper divisors (23033900).

30055444 is a wasteful number, since it uses less digits than its factorization.

30055444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70334 (or 70332 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 30055444 is about 5482.2845602905. The cubic root of 30055444 is about 310.9145521258.

The spelling of 30055444 in words is "thirty million, fifty-five thousand, four hundred forty-four".