5549317660 has 12 divisors (see below), whose sum is σ = 11653567128. Its totient is φ = 2219727056.

The previous prime is 5549317637. The next prime is 5549317661. The reversal of 5549317660 is 667139455.

It is a self number, because there is not a number n which added to its sum of digits gives 5549317660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5549317661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138732922 + ... + 138732961.

It is an arithmetic number, because the mean of its divisors is an integer number (971130594).

Almost surely, 2^5549317660 is an apocalyptic number.

It is an amenable number.

5549317660 is an abundant number, since it is smaller than the sum of its proper divisors (6104249468).

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

5549317660 is a wasteful number, since it uses less digits than its factorization.

5549317660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277465892 (or 277465890 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 5549317660 is about 74493.7424217632. The cubic root of 5549317660 is about 1770.4344917361.

It can be divided in two parts, 55493 and 17660, that added together give a triangular number (73153 = T₃₈₂).

The spelling of 5549317660 in words is "five billion, five hundred forty-nine million, three hundred seventeen thousand, six hundred sixty".