655056570 has 32 divisors (see below), whose sum is σ = 1796727168. Its totient is φ = 149727168.

The previous prime is 655056551. The next prime is 655056581. The reversal of 655056570 is 75650556.

It is a Curzon number.

It is an unprimeable number.

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, 1559449 + ... + 1559868.

It is an arithmetic number, because the mean of its divisors is an integer number (56147724).

Almost surely, 2^655056570 is an apocalyptic number.

655056570 is an abundant number, since it is smaller than the sum of its proper divisors (1141670598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655056570 is a wasteful number, since it uses less digits than its factorization.

655056570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119334.

The product of its (nonzero) digits is 157500, while the sum is 39.

The square root of 655056570 is about 25594.0729466804. The cubic root of 655056570 is about 868.4795613202.

The spelling of 655056570 in words is "six hundred fifty-five million, fifty-six thousand, five hundred seventy".