5576045561 has 4 divisors (see below), whose sum is σ = 5577543012. Its totient is φ = 5574548112.

The previous prime is 5576045537. The next prime is 5576045591. The reversal of 5576045561 is 1655406755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1655406755 = 5 ⋅331081351.

It can be written as a sum of positive squares in 2 ways, for example, as 2388765625 + 3187279936 = 48875^2 + 56456^2 .

It is a cyclic number.

It is not a de Polignac number, because 5576045561 - 2¹⁸ = 5575783417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5576045591) 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, 743126 + ... + 750591.

It is an arithmetic number, because the mean of its divisors is an integer number (1394385753).

Almost surely, 2^5576045561 is an apocalyptic number.

It is an amenable number.

5576045561 is a deficient number, since it is larger than the sum of its proper divisors (1497451).

5576045561 is a wasteful number, since it uses less digits than its factorization.

5576045561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497450.

The product of its (nonzero) digits is 630000, while the sum is 44.

The square root of 5576045561 is about 74672.9238814177. The cubic root of 5576045561 is about 1773.2723318811.

The spelling of 5576045561 in words is "five billion, five hundred seventy-six million, forty-five thousand, five hundred sixty-one".