655528 has 16 divisors (see below), whose sum is σ = 1248480. Its totient is φ = 322608.

The previous prime is 655517. The next prime is 655531. The reversal of 655528 is 825556.

It is a self number, because there is not a number n which added to its sum of digits gives 655528.

It is an unprimeable number.

655528 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76 + ... + 1147.

It is an arithmetic number, because the mean of its divisors is an integer number (78030).

2⁶⁵⁵⁵²⁸ is an apocalyptic number.

It is an amenable number.

655528 is a deficient number, since it is larger than the sum of its proper divisors (592952).

655528 is a wasteful number, since it uses less digits than its factorization.

655528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296 (or 1292 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 655528 is about 809.6468365899. The cubic root of 655528 is about 86.8687853326.

The spelling of 655528 in words is "six hundred fifty-five thousand, five hundred twenty-eight".