5549506660 has 12 divisors (see below), whose sum is σ = 11653964028. Its totient is φ = 2219802656.

The previous prime is 5549506657. The next prime is 5549506663. The reversal of 5549506660 is 666059455.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5549506657) and next prime (5549506663).

It can be written as a sum of positive squares in 2 ways, for example, as 3201522724 + 2347983936 = 56582^2 + 48456^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5549506660.

It is not an unprimeable number, because it can be changed into a prime (5549506663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138737647 + ... + 138737686.

It is an arithmetic number, because the mean of its divisors is an integer number (971163669).

Almost surely, 2^5549506660 is an apocalyptic number.

It is an amenable number.

5549506660 is an abundant number, since it is smaller than the sum of its proper divisors (6104457368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5549506660 is a wasteful number, since it uses less digits than its factorization.

5549506660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277475342 (or 277475340 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 46.

The square root of 5549506660 is about 74495.0109738901. The cubic root of 5549506660 is about 1770.4545908030.

The spelling of 5549506660 in words is "five billion, five hundred forty-nine million, five hundred six thousand, six hundred sixty".