32550985 has 4 divisors (see below), whose sum is σ = 39061188. Its totient is φ = 26040784.

The previous prime is 32550983. The next prime is 32551019. The reversal of 32550985 is 58905523.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21455424 + 11095561 = 4632^2 + 3331^2 .

It is a cyclic number.

It is not a de Polignac number, because 32550985 - 2¹ = 32550983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32550983) 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, 3255094 + ... + 3255103.

It is an arithmetic number, because the mean of its divisors is an integer number (9765297).

Almost surely, 2^32550985 is an apocalyptic number.

It is an amenable number.

32550985 is a deficient number, since it is larger than the sum of its proper divisors (6510203).

32550985 is an equidigital number, since it uses as much as digits as its factorization.

32550985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6510202.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 32550985 is about 5705.3470534228. The cubic root of 32550985 is about 319.2920056940.

The spelling of 32550985 in words is "thirty-two million, five hundred fifty thousand, nine hundred eighty-five".