655424556 has 24 divisors (see below), whose sum is σ = 1531556544. Its totient is φ = 218155920.

The previous prime is 655424543. The next prime is 655424557.

It is a happy number.

655424556 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (655424557) 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, 31230 + ... + 47813.

It is an arithmetic number, because the mean of its divisors is an integer number (63814856).

Almost surely, 2^655424556 is an apocalyptic number.

It is an amenable number.

655424556 is an abundant number, since it is smaller than the sum of its proper divisors (876131988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655424556 is a wasteful number, since it uses less digits than its factorization.

655424556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79741 (or 79739 counting only the distinct ones).

The product of its digits is 720000, while the sum is 42.

The square root of 655424556 is about 25601.2608283264. The cubic root of 655424556 is about 868.6421571981.

The spelling of 655424556 in words is "six hundred fifty-five million, four hundred twenty-four thousand, five hundred fifty-six".