5515566147 has 48 divisors (see below), whose sum is σ = 9929687040. Its totient is φ = 2872449216.

The previous prime is 5515566113. The next prime is 5515566191. The reversal of 5515566147 is 7416655155.

It is a happy number.

5515566147 is a `hidden beast` number, since 5 + 51 + 556 + 6 + 1 + 47 = 666.

It is not a de Polignac number, because 5515566147 - 2¹⁰ = 5515565123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5515566647) 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 47 ways as a sum of consecutive naturals, for example, 22078 + ... + 107324.

It is an arithmetic number, because the mean of its divisors is an integer number (206868480).

Almost surely, 2^5515566147 is an apocalyptic number.

5515566147 is a deficient number, since it is larger than the sum of its proper divisors (4414120893).

5515566147 is a wasteful number, since it uses less digits than its factorization.

5515566147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85352 (or 85349 counting only the distinct ones).

The product of its digits is 630000, while the sum is 45.

The square root of 5515566147 is about 74266.8576620824. The cubic root of 5515566147 is about 1766.8378694456.

The spelling of 5515566147 in words is "five billion, five hundred fifteen million, five hundred sixty-six thousand, one hundred forty-seven".