33130550 has 24 divisors (see below), whose sum is σ = 62198400. Its totient is φ = 13128480.

The previous prime is 33130543. The next prime is 33130553. The reversal of 33130550 is 5503133.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2411 + ... + 8489.

It is an arithmetic number, because the mean of its divisors is an integer number (2591600).

Almost surely, 2^33130550 is an apocalyptic number.

33130550 is a deficient number, since it is larger than the sum of its proper divisors (29067850).

33130550 is a wasteful number, since it uses less digits than its factorization.

33130550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6200 (or 6195 counting only the distinct ones).

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

The square root of 33130550 is about 5755.9143496060. The cubic root of 33130550 is about 321.1758497930.

Adding to 33130550 its reverse (5503133), we get a palindrome (38633683).

The spelling of 33130550 in words is "thirty-three million, one hundred thirty thousand, five hundred fifty".