32255138 has 4 divisors (see below), whose sum is σ = 48382710. Its totient is φ = 16127568.

The previous prime is 32255129. The next prime is 32255149. The reversal of 32255138 is 83155223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83155223 = 397 ⋅209459.

It can be written as a sum of positive squares in only one way, i.e., 27384289 + 4870849 = 5233^2 + 2207^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 32255138.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8063783 + ... + 8063786.

Almost surely, 2^32255138 is an apocalyptic number.

32255138 is a deficient number, since it is larger than the sum of its proper divisors (16127572).

32255138 is a wasteful number, since it uses less digits than its factorization.

32255138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16127571.

The product of its digits is 7200, while the sum is 29.

The square root of 32255138 is about 5679.3607034595. The cubic root of 32255138 is about 318.3217410019.

The spelling of 32255138 in words is "thirty-two million, two hundred fifty-five thousand, one hundred thirty-eight".