1055563444 has 12 divisors (see below), whose sum is σ = 1989331204. Its totient is φ = 487183104.

The previous prime is 1055563427. The next prime is 1055563451. The reversal of 1055563444 is 4443655501.

It can be written as a sum of positive squares in 2 ways, for example, as 346406544 + 709156900 = 18612^2 + 26630^2 .

It is a super-3 number, since 3×1055563444³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 10149597 + ... + 10149700.

Almost surely, 2^1055563444 is an apocalyptic number.

It is an amenable number.

1055563444 is a deficient number, since it is larger than the sum of its proper divisors (933767760).

1055563444 is a wasteful number, since it uses less digits than its factorization.

1055563444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20299314 (or 20299312 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 1055563444 is about 32489.4358830682. The cubic root of 1055563444 is about 1018.1883270987.

The spelling of 1055563444 in words is "one billion, fifty-five million, five hundred sixty-three thousand, four hundred forty-four".