655242556 has 6 divisors (see below), whose sum is σ = 1146674480. Its totient is φ = 327621276.

The previous prime is 655242547. The next prime is 655242571.

655242556 is nontrivially palindromic in base 10.

655242556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81905316 + ... + 81905323.

Almost surely, 2^655242556 is an apocalyptic number.

It is an amenable number.

655242556 is a deficient number, since it is larger than the sum of its proper divisors (491431924).

655242556 is a wasteful number, since it uses less digits than its factorization.

655242556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163810643 (or 163810641 counting only the distinct ones).

The product of its digits is 360000, while the sum is 40.

The square root of 655242556 is about 25597.7060690992. The cubic root of 655242556 is about 868.5617474817.

The spelling of 655242556 in words is "six hundred fifty-five million, two hundred forty-two thousand, five hundred fifty-six".