30550056 has 16 divisors (see below), whose sum is σ = 76375200. Its totient is φ = 10183344.

The previous prime is 30550033. The next prime is 30550067. The reversal of 30550056 is 65005503.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1272919 = 30550056 / (3 + 0 + 5 + 5 + 0 + 0 + 5 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636436 + ... + 636483.

It is an arithmetic number, because the mean of its divisors is an integer number (4773450).

Almost surely, 2^30550056 is an apocalyptic number.

It is an amenable number.

30550056 is an abundant number, since it is smaller than the sum of its proper divisors (45825144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30550056 is a wasteful number, since it uses less digits than its factorization.

30550056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272928 (or 1272924 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 30550056 is about 5527.2105080230. The cubic root of 30550056 is about 312.6108185103.

Adding to 30550056 its reverse (65005503), we get a palindrome (95555559).

The spelling of 30550056 in words is "thirty million, five hundred fifty thousand, fifty-six".