32550404 has 12 divisors (see below), whose sum is σ = 57114624. Its totient is φ = 16231944.

The previous prime is 32550389. The next prime is 32550407. The reversal of 32550404 is 40405523.

It is a self number, because there is not a number n which added to its sum of digits gives 32550404.

It is not an unprimeable number, because it can be changed into a prime (32550407) 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, 9092 + ... + 12155.

It is an arithmetic number, because the mean of its divisors is an integer number (4759552).

Almost surely, 2^32550404 is an apocalyptic number.

It is an amenable number.

32550404 is a deficient number, since it is larger than the sum of its proper divisors (24564220).

32550404 is a wasteful number, since it uses less digits than its factorization.

32550404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21634 (or 21632 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 32550404 is about 5705.2961360476. The cubic root of 32550404 is about 319.2901060099.

Adding to 32550404 its reverse (40405523), we get a palindrome (72955927).

The spelling of 32550404 in words is "thirty-two million, five hundred fifty thousand, four hundred four".