5510004561 has 8 divisors (see below), whose sum is σ = 8162969760. Its totient is φ = 3673336356.

The previous prime is 5510004527. The next prime is 5510004569. The reversal of 5510004561 is 1654000155.

It is a happy number.

It is not a de Polignac number, because 5510004561 - 2¹⁰ = 5510003537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 204074243 = 5510004561 / (5 + 5 + 1 + 0 + 0 + 0 + 4 + 5 + 6 + 1).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5510004569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102037095 + ... + 102037148.

It is an arithmetic number, because the mean of its divisors is an integer number (1020371220).

Almost surely, 2^5510004561 is an apocalyptic number.

It is an amenable number.

5510004561 is a deficient number, since it is larger than the sum of its proper divisors (2652965199).

5510004561 is a wasteful number, since it uses less digits than its factorization.

5510004561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204074252 (or 204074246 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 5510004561 is about 74229.4049619152. The cubic root of 5510004561 is about 1766.2438098241.

The spelling of 5510004561 in words is "five billion, five hundred ten million, four thousand, five hundred sixty-one".