56455232656 has 10 divisors (see below), whose sum is σ = 109382013302. Its totient is φ = 28227616320.

The previous prime is 56455232621. The next prime is 56455232693. The reversal of 56455232656 is 65623255465.

It can be written as a sum of positive squares in only one way, i.e., 40999770256 + 15455462400 = 202484^2 + 124320^2 .

It is a super-3 number, since 3×56455232656³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1764226005 + ... + 1764226036.

Almost surely, 2^56455232656 is an apocalyptic number.

It is an amenable number.

56455232656 is a deficient number, since it is larger than the sum of its proper divisors (52926780646).

56455232656 is a wasteful number, since it uses less digits than its factorization.

56455232656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528452049 (or 3528452043 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 49.

The spelling of 56455232656 in words is "fifty-six billion, four hundred fifty-five million, two hundred thirty-two thousand, six hundred fifty-six".