655803091 has 8 divisors (see below), whose sum is σ = 659181744. Its totient is φ = 652431360.

The previous prime is 655803053. The next prime is 655803097. The reversal of 655803091 is 190308556.

655803091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 655803091 - 2⁹ = 655802579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 655803091.

It is not an unprimeable number, because it can be changed into a prime (655803097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379756 + ... + 381478.

It is an arithmetic number, because the mean of its divisors is an integer number (82397718).

Almost surely, 2^655803091 is an apocalyptic number.

655803091 is a deficient number, since it is larger than the sum of its proper divisors (3378653).

655803091 is a wasteful number, since it uses less digits than its factorization.

655803091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 655803091 is about 25608.6526588183. The cubic root of 655803091 is about 868.8093506991.

The spelling of 655803091 in words is "six hundred fifty-five million, eight hundred three thousand, ninety-one".