655596556 has 12 divisors (see below), whose sum is σ = 1184303680. Its totient is φ = 317224080.

The previous prime is 655596553. The next prime is 655596559. The reversal of 655596556 is 655695556.

It is an interprime number because it is at equal distance from previous prime (655596553) and next prime (655596559).

It is a super-2 number, since 2×655596556² = 859613688478122272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (655596553) 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, 2643411 + ... + 2643658.

Almost surely, 2^655596556 is an apocalyptic number.

It is an amenable number.

655596556 is a deficient number, since it is larger than the sum of its proper divisors (528707124).

655596556 is a wasteful number, since it uses less digits than its factorization.

655596556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5287104 (or 5287102 counting only the distinct ones).

The product of its digits is 6075000, while the sum is 52.

The square root of 655596556 is about 25604.6198175251. The cubic root of 655596556 is about 868.7181351182.

The spelling of 655596556 in words is "six hundred fifty-five million, five hundred ninety-six thousand, five hundred fifty-six".