30990059 has 4 divisors (see below), whose sum is σ = 31040904. Its totient is φ = 30939216.

The previous prime is 30990019. The next prime is 30990077. The reversal of 30990059 is 95009903.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30990059 - 2¹² = 30985963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30990019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24497 + ... + 25730.

It is an arithmetic number, because the mean of its divisors is an integer number (7760226).

Almost surely, 2^30990059 is an apocalyptic number.

30990059 is a deficient number, since it is larger than the sum of its proper divisors (50845).

30990059 is an equidigital number, since it uses as much as digits as its factorization.

30990059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50844.

The product of its (nonzero) digits is 10935, while the sum is 35.

The square root of 30990059 is about 5566.8715630954. The cubic root of 30990059 is about 314.1044826545.

The spelling of 30990059 in words is "thirty million, nine hundred ninety thousand, fifty-nine".