655929556 has 12 divisors (see below), whose sum is σ = 1172299968. Its totient is φ = 320986712.

The previous prime is 655929553. The next prime is 655929583.

It is a happy number.

655929556 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655929551) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1744306 + ... + 1744681.

It is an arithmetic number, because the mean of its divisors is an integer number (97691664).

Almost surely, 2^655929556 is an apocalyptic number.

It is an amenable number.

655929556 is a deficient number, since it is larger than the sum of its proper divisors (516370412).

655929556 is a wasteful number, since it uses less digits than its factorization.

655929556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489038 (or 3489036 counting only the distinct ones).

The product of its digits is 3645000, while the sum is 52.

The square root of 655929556 is about 25611.1217247508. The cubic root of 655929556 is about 868.8651941447.

The spelling of 655929556 in words is "six hundred fifty-five million, nine hundred twenty-nine thousand, five hundred fifty-six".