32550161 has 6 divisors (see below), whose sum is σ = 37864530. Its totient is φ = 27900096.

The previous prime is 32550143. The next prime is 32550169. The reversal of 32550161 is 16105523.

It can be written as a sum of positive squares in only one way, i.e., 32547025 + 3136 = 5705^2 + 56^2 .

It is not a de Polignac number, because 32550161 - 2¹⁴ = 32533777 is a prime.

It is a super-2 number, since 2×32550161² = 2119025962251842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32550169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 332096 + ... + 332193.

It is an arithmetic number, because the mean of its divisors is an integer number (6310755).

Almost surely, 2^32550161 is an apocalyptic number.

It is an amenable number.

32550161 is a deficient number, since it is larger than the sum of its proper divisors (5314369).

32550161 is an equidigital number, since it uses as much as digits as its factorization.

32550161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664303 (or 664296 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 32550161 is about 5705.2748400055. The cubic root of 32550161 is about 319.2893114710.

Adding to 32550161 its reverse (16105523), we get a palindrome (48655684).

The spelling of 32550161 in words is "thirty-two million, five hundred fifty thousand, one hundred sixty-one".