5550665601 has 16 divisors (see below), whose sum is σ = 8316717696. Its totient is φ = 3267280896.

The previous prime is 5550665591. The next prime is 5550665611. The reversal of 5550665601 is 1065660555.

5550665601 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5550665591) and next prime (5550665611).

It is not a de Polignac number, because 5550665601 - 2¹⁹ = 5550141313 is a prime.

It is a super-2 number, since 2×5550665601² = 61619777228249382402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 5550665601.

It is not an unprimeable number, because it can be changed into a prime (5550665611) 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, 3093120 + ... + 3094913.

It is an arithmetic number, because the mean of its divisors is an integer number (519794856).

Almost surely, 2^5550665601 is an apocalyptic number.

It is an amenable number.

5550665601 is a deficient number, since it is larger than the sum of its proper divisors (2766052095).

5550665601 is a wasteful number, since it uses less digits than its factorization.

5550665601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6188072.

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

The square root of 5550665601 is about 74502.7892162434. The cubic root of 5550665601 is about 1770.5778275591.

The spelling of 5550665601 in words is "five billion, five hundred fifty million, six hundred sixty-five thousand, six hundred one".