5506388667 has 40 divisors (see below), whose sum is σ = 8866097856. Its totient is φ = 3385577088.

The previous prime is 5506388633. The next prime is 5506388681. The reversal of 5506388667 is 7668836055.

5506388667 is a `hidden beast` number, since 550 + 6 + 3 + 8 + 86 + 6 + 7 = 666.

It is not a de Polignac number, because 5506388667 - 2¹⁸ = 5506126523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5506388627) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2249038 + ... + 2251484.

Almost surely, 2^5506388667 is an apocalyptic number.

5506388667 is a deficient number, since it is larger than the sum of its proper divisors (3359709189).

5506388667 is a wasteful number, since it uses less digits than its factorization.

5506388667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4609 (or 4600 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The square root of 5506388667 is about 74205.0447543831. The cubic root of 5506388667 is about 1765.8573644123.

It can be divided in two parts, 5506388 and 667, that added together give a palindrome (5507055).

The spelling of 5506388667 in words is "five billion, five hundred six million, three hundred eighty-eight thousand, six hundred sixty-seven".