655883311 has 4 divisors (see below), whose sum is σ = 656263512. Its totient is φ = 655503112.

The previous prime is 655883281. The next prime is 655883323. The reversal of 655883311 is 113388556.

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

It is a cyclic number.

It is not a de Polignac number, because 655883311 - 2⁵ = 655883279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655883381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187501 + ... + 190966.

It is an arithmetic number, because the mean of its divisors is an integer number (164065878).

Almost surely, 2^655883311 is an apocalyptic number.

655883311 is a deficient number, since it is larger than the sum of its proper divisors (380201).

655883311 is a wasteful number, since it uses less digits than its factorization.

655883311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380200.

The product of its digits is 86400, while the sum is 40.

The square root of 655883311 is about 25610.2188784087. The cubic root of 655883311 is about 868.8447744645.

The spelling of 655883311 in words is "six hundred fifty-five million, eight hundred eighty-three thousand, three hundred eleven".