30355049 has 4 divisors (see below), whose sum is σ = 30366336. Its totient is φ = 30343764.

The previous prime is 30355043. The next prime is 30355051. The reversal of 30355049 is 94055303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30355049 - 2¹⁶ = 30289513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30355043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992 + ... + 7854.

It is an arithmetic number, because the mean of its divisors is an integer number (7591584).

Almost surely, 2^30355049 is an apocalyptic number.

It is an amenable number.

30355049 is a deficient number, since it is larger than the sum of its proper divisors (11287).

30355049 is an equidigital number, since it uses as much as digits as its factorization.

30355049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11286.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 30355049 is about 5509.5416324772. The cubic root of 30355049 is about 311.9442461464.

The spelling of 30355049 in words is "thirty million, three hundred fifty-five thousand, forty-nine".