1056560555 has 4 divisors (see below), whose sum is σ = 1267872672. Its totient is φ = 845248440.

The previous prime is 1056560539. The next prime is 1056560597. The reversal of 1056560555 is 5550656501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1056560555 - 2⁴ = 1056560539 is a prime.

It is a super-2 number, since 2×1056560555² = 2232640412763816050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105656051 + ... + 105656060.

It is an arithmetic number, because the mean of its divisors is an integer number (316968168).

Almost surely, 2^1056560555 is an apocalyptic number.

1056560555 is a deficient number, since it is larger than the sum of its proper divisors (211312117).

1056560555 is an equidigital number, since it uses as much as digits as its factorization.

1056560555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211312116.

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

The square root of 1056560555 is about 32504.7774180966. Note that the first 3 decimals coincide. The cubic root of 1056560555 is about 1018.5088280529.

The spelling of 1056560555 in words is "one billion, fifty-six million, five hundred sixty thousand, five hundred fifty-five".