5506578563 has 2 divisors, whose sum is σ = 5506578564. Its totient is φ = 5506578562.

The previous prime is 5506578533. The next prime is 5506578587. The reversal of 5506578563 is 3658756055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5506578563 - 2¹⁴ = 5506562179 is a prime.

It is a super-2 number, since 2×5506578563² = 60644814940982289938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5506578503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2753289281 + 2753289282.

It is an arithmetic number, because the mean of its divisors is an integer number (2753289282).

Almost surely, 2^5506578563 is an apocalyptic number.

5506578563 is a deficient number, since it is larger than the sum of its proper divisors (1).

5506578563 is an equidigital number, since it uses as much as digits as its factorization.

5506578563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780000, while the sum is 50.

The square root of 5506578563 is about 74206.3242789993. The cubic root of 5506578563 is about 1765.8776635846.

The spelling of 5506578563 in words is "five billion, five hundred six million, five hundred seventy-eight thousand, five hundred sixty-three".