30455049 has 4 divisors (see below), whose sum is σ = 40606736. Its totient is φ = 20303364.

The previous prime is 30455003. The next prime is 30455057. The reversal of 30455049 is 94055403.

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.

It is not a de Polignac number, because 30455049 - 2⁹ = 30454537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30455069) by changing a digit.

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, 5075839 + ... + 5075844.

It is an arithmetic number, because the mean of its divisors is an integer number (10151684).

Almost surely, 2^30455049 is an apocalyptic number.

It is an amenable number.

30455049 is a deficient number, since it is larger than the sum of its proper divisors (10151687).

30455049 is a wasteful number, since it uses less digits than its factorization.

30455049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10151686.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 30455049 is about 5518.6093356932. The cubic root of 30455049 is about 312.2864213159.

The spelling of 30455049 in words is "thirty million, four hundred fifty-five thousand, forty-nine".