30550345 has 32 divisors (see below), whose sum is σ = 44476416. Its totient is φ = 19699200.

The previous prime is 30550301. The next prime is 30550349. The reversal of 30550345 is 54305503.

It is a happy number.

It is not a de Polignac number, because 30550345 - 2⁷ = 30550217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30550349) 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 31 ways as a sum of consecutive naturals, for example, 39765 + ... + 40525.

It is an arithmetic number, because the mean of its divisors is an integer number (1389888).

Almost surely, 2^30550345 is an apocalyptic number.

30550345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30550345 is a deficient number, since it is larger than the sum of its proper divisors (13926071).

30550345 is a wasteful number, since it uses less digits than its factorization.

30550345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 30550345 is about 5527.2366513476. The cubic root of 30550345 is about 312.6118042613.

Adding to 30550345 its reverse (54305503), we get a palindrome (84855848).

The spelling of 30550345 in words is "thirty million, five hundred fifty thousand, three hundred forty-five".