5478550561 has 4 divisors (see below), whose sum is σ = 5976600624. Its totient is φ = 4980500500.

The previous prime is 5478550541. The next prime is 5478550643. The reversal of 5478550561 is 1650558745.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5478550561 - 2¹¹ = 5478548513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5478550531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249025015 + ... + 249025036.

It is an arithmetic number, because the mean of its divisors is an integer number (1494150156).

Almost surely, 2^5478550561 is an apocalyptic number.

It is an amenable number.

5478550561 is a deficient number, since it is larger than the sum of its proper divisors (498050063).

5478550561 is a wasteful number, since it uses less digits than its factorization.

5478550561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498050062.

The product of its (nonzero) digits is 840000, while the sum is 46.

The square root of 5478550561 is about 74017.2315140198. The cubic root of 5478550561 is about 1762.8765117929.

The spelling of 5478550561 in words is "five billion, four hundred seventy-eight million, five hundred fifty thousand, five hundred sixty-one".