655442255 has 32 divisors (see below), whose sum is σ = 877443840. Its totient is φ = 466951680.

The previous prime is 655442239. The next prime is 655442261. The reversal of 655442255 is 552244556.

It is a happy number.

It is not a de Polignac number, because 655442255 - 2⁴ = 655442239 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208586 + ... + 211704.

It is an arithmetic number, because the mean of its divisors is an integer number (27420120).

Almost surely, 2^655442255 is an apocalyptic number.

655442255 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

655442255 is a deficient number, since it is larger than the sum of its proper divisors (222001585).

655442255 is a wasteful number, since it uses less digits than its factorization.

655442255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251.

The product of its digits is 240000, while the sum is 38.

The square root of 655442255 is about 25601.6064925621. The cubic root of 655442255 is about 868.6499760279.

The spelling of 655442255 in words is "six hundred fifty-five million, four hundred forty-two thousand, two hundred fifty-five".