655503 has 8 divisors (see below), whose sum is σ = 925488. Its totient is φ = 411264.

The previous prime is 655489. The next prime is 655507. The reversal of 655503 is 305556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 655503 - 2⁵ = 655471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6376 + ... + 6477.

It is an arithmetic number, because the mean of its divisors is an integer number (115686).

2⁶⁵⁵⁵⁰³ is an apocalyptic number.

655503 is a deficient number, since it is larger than the sum of its proper divisors (269985).

655503 is a wasteful number, since it uses less digits than its factorization.

655503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12873.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 655503 is about 809.6313976125. The cubic root of 655503 is about 86.8676810079.

The spelling of 655503 in words is "six hundred fifty-five thousand, five hundred three".