5515566055 has 12 divisors (see below), whose sum is σ = 6683626440. Its totient is φ = 4369571472.

The previous prime is 5515566053. The next prime is 5515566073. The reversal of 5515566055 is 5506655155.

It is not a de Polignac number, because 5515566055 - 2¹ = 5515566053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515566053) 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 11 ways as a sum of consecutive naturals, for example, 1056 + ... + 105034.

It is an arithmetic number, because the mean of its divisors is an integer number (556968870).

Almost surely, 2^5515566055 is an apocalyptic number.

5515566055 is a deficient number, since it is larger than the sum of its proper divisors (1168060385).

5515566055 is a wasteful number, since it uses less digits than its factorization.

5515566055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104190 (or 104087 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 43.

The square root of 5515566055 is about 74266.8570426944. The cubic root of 5515566055 is about 1766.8378596220.

The spelling of 5515566055 in words is "five billion, five hundred fifteen million, five hundred sixty-six thousand, fifty-five".