655157056 has 14 divisors (see below), whose sum is σ = 1300077410. Its totient is φ = 327578496.

The previous prime is 655157053. The next prime is 655157071. The reversal of 655157056 is 650751556.

It can be written as a sum of positive squares in only one way, i.e., 345960000 + 309197056 = 18600^2 + 17584^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655157053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5118351 + ... + 5118478.

Almost surely, 2^655157056 is an apocalyptic number.

It is an amenable number.

655157056 is a deficient number, since it is larger than the sum of its proper divisors (644920354).

655157056 is a wasteful number, since it uses less digits than its factorization.

655157056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10236841 (or 10236831 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 40.

The square root of 655157056 is about 25596.0359430909. The cubic root of 655157056 is about 868.5239674469.

The spelling of 655157056 in words is "six hundred fifty-five million, one hundred fifty-seven thousand, fifty-six".