655262556 has 24 divisors (see below), whose sum is σ = 1646557584. Its totient is φ = 201619200.

The previous prime is 655262551. The next prime is 655262561.

655262556 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (655262551) and next prime (655262561).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655262551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2100045 + ... + 2100356.

It is an arithmetic number, because the mean of its divisors is an integer number (68606566).

Almost surely, 2^655262556 is an apocalyptic number.

It is an amenable number.

655262556 is an abundant number, since it is smaller than the sum of its proper divisors (991295028).

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

655262556 is a wasteful number, since it uses less digits than its factorization.

655262556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200421 (or 4200419 counting only the distinct ones).

The product of its digits is 540000, while the sum is 42.

The square root of 655262556 is about 25598.0967261240. The cubic root of 655262556 is about 868.5705844424.

The spelling of 655262556 in words is "six hundred fifty-five million, two hundred sixty-two thousand, five hundred fifty-six".