1056559097 has 4 divisors (see below), whose sum is σ = 1152609936. Its totient is φ = 960508260.

The previous prime is 1056559043. The next prime is 1056559099. The reversal of 1056559097 is 7909556501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1056559097 - 2⁶ = 1056559033 is a prime.

It is a super-2 number, since 2×1056559097² = 2232634250906910818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056559099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48025403 + ... + 48025424.

It is an arithmetic number, because the mean of its divisors is an integer number (288152484).

Almost surely, 2^1056559097 is an apocalyptic number.

It is an amenable number.

1056559097 is a deficient number, since it is larger than the sum of its proper divisors (96050839).

1056559097 is an equidigital number, since it uses as much as digits as its factorization.

1056559097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96050838.

The product of its (nonzero) digits is 425250, while the sum is 47.

The square root of 1056559097 is about 32504.7549906164. The cubic root of 1056559097 is about 1018.5083595559.

The spelling of 1056559097 in words is "one billion, fifty-six million, five hundred fifty-nine thousand, ninety-seven".