655345583 has 8 divisors (see below), whose sum is σ = 669222000. Its totient is φ = 641525248.

The previous prime is 655345571. The next prime is 655345619. The reversal of 655345583 is 385543556.

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 655345583 - 2¹⁰ = 655344559 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 (655345553) 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 7 ways as a sum of consecutive naturals, for example, 10028 + ... + 37566.

It is an arithmetic number, because the mean of its divisors is an integer number (83652750).

Almost surely, 2^655345583 is an apocalyptic number.

655345583 is a deficient number, since it is larger than the sum of its proper divisors (13876417).

655345583 is a wasteful number, since it uses less digits than its factorization.

655345583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28041.

The product of its digits is 1080000, while the sum is 44.

The square root of 655345583 is about 25599.7184164201. The cubic root of 655345583 is about 868.6072678368.

It can be divided in two parts, 65534 and 5583, that added together give a palindrome (71117).

The spelling of 655345583 in words is "six hundred fifty-five million, three hundred forty-five thousand, five hundred eighty-three".