1056444555 has 32 divisors (see below), whose sum is σ = 1787155200. Its totient is φ = 531418752.

The previous prime is 1056444551. The next prime is 1056444577. The reversal of 1056444555 is 5554446501.

1056444555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1056444555 - 2² = 1056444551 is a prime.

It is a super-2 number, since 2×1056444555² = 2232150195578296050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056444551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57172 + ... + 73358.

It is an arithmetic number, because the mean of its divisors is an integer number (55848600).

Almost surely, 2^1056444555 is an apocalyptic number.

1056444555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1056444555 is a deficient number, since it is larger than the sum of its proper divisors (730710645).

1056444555 is a wasteful number, since it uses less digits than its factorization.

1056444555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16443.

The product of its (nonzero) digits is 240000, while the sum is 39.

The square root of 1056444555 is about 32502.9930160285. The cubic root of 1056444555 is about 1018.4715525910.

The spelling of 1056444555 in words is "one billion, fifty-six million, four hundred forty-four thousand, five hundred fifty-five".