5506065561 has 16 divisors (see below), whose sum is σ = 7477968704. Its totient is φ = 3602833344.

The previous prime is 5506065559. The next prime is 5506065563. The reversal of 5506065561 is 1655606055.

It is an interprime number because it is at equal distance from previous prime (5506065559) and next prime (5506065563).

It is not a de Polignac number, because 5506065561 - 2¹ = 5506065559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5506065563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6231 + ... + 105123.

It is an arithmetic number, because the mean of its divisors is an integer number (467373044).

Almost surely, 2^5506065561 is an apocalyptic number.

It is an amenable number.

5506065561 is a deficient number, since it is larger than the sum of its proper divisors (1971903143).

5506065561 is a wasteful number, since it uses less digits than its factorization.

5506065561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99240.

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 5506065561 is about 74202.8676063129. The cubic root of 5506065561 is about 1765.8228245167.

The spelling of 5506065561 in words is "five billion, five hundred six million, sixty-five thousand, five hundred sixty-one".