30055873 has 2 divisors, whose sum is σ = 30055874. Its totient is φ = 30055872.

The previous prime is 30055867. The next prime is 30055897. The reversal of 30055873 is 37855003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28227969 + 1827904 = 5313^2 + 1352^2 .

It is a cyclic number.

It is not a de Polignac number, because 30055873 - 2⁵ = 30055841 is a prime.

It is not a weakly prime, because it can be changed into another prime (30055843) by changing a digit.

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 as a sum of consecutive naturals, namely, 15027936 + 15027937.

It is an arithmetic number, because the mean of its divisors is an integer number (15027937).

Almost surely, 2^30055873 is an apocalyptic number.

It is an amenable number.

30055873 is a deficient number, since it is larger than the sum of its proper divisors (1).

30055873 is an equidigital number, since it uses as much as digits as its factorization.

30055873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 30055873 is about 5482.3236861754. The cubic root of 30055873 is about 310.9160314109.

The spelling of 30055873 in words is "thirty million, fifty-five thousand, eight hundred seventy-three".