1056560549 has 4 divisors (see below), whose sum is σ = 1152611520. Its totient is φ = 960509580.

The previous prime is 1056560539. The next prime is 1056560597. The reversal of 1056560549 is 9450656501.

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 1056560549 - 2²⁰ = 1055511973 is a prime.

It is a super-2 number, since 2×1056560549² = 2232640387406362802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056560539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48025469 + ... + 48025490.

It is an arithmetic number, because the mean of its divisors is an integer number (288152880).

Almost surely, 2^1056560549 is an apocalyptic number.

It is an amenable number.

1056560549 is a deficient number, since it is larger than the sum of its proper divisors (96050971).

1056560549 is an equidigital number, since it uses as much as digits as its factorization.

1056560549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96050970.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 1056560549 is about 32504.7773258024. Note that the first 3 decimals coincide. The cubic root of 1056560549 is about 1018.5088261250.

The spelling of 1056560549 in words is "one billion, fifty-six million, five hundred sixty thousand, five hundred forty-nine".