30133550 has 24 divisors (see below), whose sum is σ = 57859392. Its totient is φ = 11664000.

The previous prime is 30133549. The next prime is 30133553. The reversal of 30133550 is 5533103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30133553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8171 + ... + 11270.

It is an arithmetic number, because the mean of its divisors is an integer number (2410808).

Almost surely, 2^30133550 is an apocalyptic number.

30133550 is a deficient number, since it is larger than the sum of its proper divisors (27725842).

30133550 is a wasteful number, since it uses less digits than its factorization.

30133550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19484 (or 19479 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 30133550 is about 5489.4034284246. The cubic root of 30133550 is about 311.1836468719.

Adding to 30133550 its reverse (5533103), we get a palindrome (35666653).

The spelling of 30133550 in words is "thirty million, one hundred thirty-three thousand, five hundred fifty".