655652559 has 16 divisors (see below), whose sum is σ = 929428992. Its totient is φ = 410206368.

The previous prime is 655652531. The next prime is 655652563. The reversal of 655652559 is 955256556.

It is a de Polignac number, because none of the positive numbers 2^k-655652559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655652059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85987 + ... + 93300.

It is an arithmetic number, because the mean of its divisors is an integer number (58089312).

Almost surely, 2^655652559 is an apocalyptic number.

655652559 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

655652559 is a deficient number, since it is larger than the sum of its proper divisors (273776433).

655652559 is a wasteful number, since it uses less digits than its factorization.

655652559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179366.

The product of its digits is 2025000, while the sum is 48.

The square root of 655652559 is about 25605.7134054101. The cubic root of 655652559 is about 868.7428705728.

The spelling of 655652559 in words is "six hundred fifty-five million, six hundred fifty-two thousand, five hundred fifty-nine".