655545117 has 8 divisors (see below), whose sum is σ = 874610496. Its totient is φ = 436754912.

The previous prime is 655545097. The next prime is 655545119. The reversal of 655545117 is 711545556.

It is a happy number.

655545117 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 655545117 - 2⁶ = 655545053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655545119) 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, 63168 + ... + 72809.

It is an arithmetic number, because the mean of its divisors is an integer number (109326312).

Almost surely, 2^655545117 is an apocalyptic number.

It is an amenable number.

655545117 is a deficient number, since it is larger than the sum of its proper divisors (219065379).

655545117 is a wasteful number, since it uses less digits than its factorization.

655545117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137587.

The product of its digits is 105000, while the sum is 39.

The square root of 655545117 is about 25603.6153111235. The cubic root of 655545117 is about 868.6954142540.

The spelling of 655545117 in words is "six hundred fifty-five million, five hundred forty-five thousand, one hundred seventeen".