5665551056 has 30 divisors (see below), whose sum is σ = 12065637906. Its totient is φ = 2575249600.

The previous prime is 5665551049. The next prime is 5665551077. The reversal of 5665551056 is 6501555665.

It can be written as a sum of positive squares in only one way, i.e., 5200717456 + 464833600 = 72116^2 + 21560^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 5665550998 and 5665551016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1461275 + ... + 1465146.

Almost surely, 2^5665551056 is an apocalyptic number.

It is an amenable number.

5665551056 is an abundant number, since it is smaller than the sum of its proper divisors (6400086850).

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

5665551056 is a wasteful number, since it uses less digits than its factorization.

5665551056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926451 (or 2926434 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 44.

The square root of 5665551056 is about 75269.8548955689. The cubic root of 5665551056 is about 1782.7100762105.

The spelling of 5665551056 in words is "five billion, six hundred sixty-five million, five hundred fifty-one thousand, fifty-six".