1055055656 has 8 divisors (see below), whose sum is σ = 1978229370. Its totient is φ = 527527824.

The previous prime is 1055055647. The next prime is 1055055679. The reversal of 1055055656 is 6565505501.

It can be written as a sum of positive squares in only one way, i.e., 577633156 + 477422500 = 24034^2 + 21850^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1055055656² = 2226284874515180672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65940971 + ... + 65940986.

Almost surely, 2^1055055656 is an apocalyptic number.

It is an amenable number.

1055055656 is a deficient number, since it is larger than the sum of its proper divisors (923173714).

1055055656 is a wasteful number, since it uses less digits than its factorization.

1055055656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131881963 (or 131881959 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The square root of 1055055656 is about 32481.6202797828. The cubic root of 1055055656 is about 1018.0250314530.

The spelling of 1055055656 in words is "one billion, fifty-five million, fifty-five thousand, six hundred fifty-six".