5530705661 has 12 divisors (see below), whose sum is σ = 6101878068. Its totient is φ = 5008932864.

The previous prime is 5530705639. The next prime is 5530705667. The reversal of 5530705661 is 1665070355.

It can be written as a sum of positive squares in 6 ways, for example, as 2006502436 + 3524203225 = 44794^2 + 59365^2 .

It is not a de Polignac number, because 5530705661 - 2²⁶ = 5463596797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5530705667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299780 + ... + 317693.

It is an arithmetic number, because the mean of its divisors is an integer number (508489839).

Almost surely, 2^5530705661 is an apocalyptic number.

It is an amenable number.

5530705661 is a deficient number, since it is larger than the sum of its proper divisors (571172407).

5530705661 is a wasteful number, since it uses less digits than its factorization.

5530705661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617552 (or 617539 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 5530705661 is about 74368.7142621143. The cubic root of 5530705661 is about 1768.4529728917.

The spelling of 5530705661 in words is "five billion, five hundred thirty million, seven hundred five thousand, six hundred sixty-one".