32255155 has 4 divisors (see below), whose sum is σ = 38706192. Its totient is φ = 25804120.

The previous prime is 32255149. The next prime is 32255243. The reversal of 32255155 is 55155223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55155223 = 73 ⋅755551.

It is not a de Polignac number, because 32255155 - 2¹⁵ = 32222387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3225511 + ... + 3225520.

It is an arithmetic number, because the mean of its divisors is an integer number (9676548).

Almost surely, 2^32255155 is an apocalyptic number.

32255155 is a deficient number, since it is larger than the sum of its proper divisors (6451037).

32255155 is an equidigital number, since it uses as much as digits as its factorization.

32255155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6451036.

The product of its digits is 7500, while the sum is 28.

The square root of 32255155 is about 5679.3622001066. The cubic root of 32255155 is about 318.3217969254.

The spelling of 32255155 in words is "thirty-two million, two hundred fifty-five thousand, one hundred fifty-five".