655056331 has 8 divisors (see below), whose sum is σ = 693665280. Its totient is φ = 616860648.

The previous prime is 655056329. The next prime is 655056341. The reversal of 655056331 is 133650556.

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

It is a cyclic number.

It is not a de Polignac number, because 655056331 - 2¹ = 655056329 is a prime.

It is a super-2 number, since 2×655056331² = 858197593566363122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655056301) 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 7 ways as a sum of consecutive naturals, for example, 100051 + ... + 106396.

It is an arithmetic number, because the mean of its divisors is an integer number (86708160).

Almost surely, 2^655056331 is an apocalyptic number.

655056331 is a deficient number, since it is larger than the sum of its proper divisors (38608949).

655056331 is a wasteful number, since it uses less digits than its factorization.

655056331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206633.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 655056331 is about 25594.0682776303. The cubic root of 655056331 is about 868.4794556974.

The spelling of 655056331 in words is "six hundred fifty-five million, fifty-six thousand, three hundred thirty-one".