655797560 has 64 divisors (see below), whose sum is σ = 1661644800. Its totient is φ = 230774400.

The previous prime is 655797557. The next prime is 655797563. The reversal of 655797560 is 65797556.

It is a happy number.

655797560 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 (655797557) and next prime (655797563).

It is a junction number, because it is equal to n+sod(n) for n = 655797499 and 655797508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655797563) 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, 10400 + ... + 37679.

It is an arithmetic number, because the mean of its divisors is an integer number (25963200).

Almost surely, 2^655797560 is an apocalyptic number.

It is an amenable number.

655797560 is an abundant number, since it is smaller than the sum of its proper divisors (1005847240).

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

655797560 is a wasteful number, since it uses less digits than its factorization.

655797560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48132 (or 48128 counting only the distinct ones).

The product of its (nonzero) digits is 1984500, while the sum is 50.

The square root of 655797560 is about 25608.5446677471. The cubic root of 655797560 is about 868.8069081987.

The spelling of 655797560 in words is "six hundred fifty-five million, seven hundred ninety-seven thousand, five hundred sixty".