655755503 has 16 divisors (see below), whose sum is σ = 718502400. Its totient is φ = 594824160.

The previous prime is 655755497. The next prime is 655755509. The reversal of 655755503 is 305557556.

It is a happy number.

655755503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (655755497) and next prime (655755509).

It is a cyclic number.

It is not a de Polignac number, because 655755503 - 2⁶ = 655755439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655755509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330368 + ... + 332346.

It is an arithmetic number, because the mean of its divisors is an integer number (44906400).

Almost surely, 2^655755503 is an apocalyptic number.

655755503 is a deficient number, since it is larger than the sum of its proper divisors (62746897).

655755503 is a wasteful number, since it uses less digits than its factorization.

655755503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422.

The product of its (nonzero) digits is 393750, while the sum is 41.

The square root of 655755503 is about 25607.7235028809. The cubic root of 655755503 is about 868.7883352957.

The spelling of 655755503 in words is "six hundred fifty-five million, seven hundred fifty-five thousand, five hundred three".