550664539 has 4 divisors (see below), whose sum is σ = 550711600. Its totient is φ = 550617480.

The previous prime is 550664531. The next prime is 550664567. The reversal of 550664539 is 935466055.

550664539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 550664539 - 2³ = 550664531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550664495 and 550664504.

It is not an unprimeable number, because it can be changed into a prime (550664531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9169 + ... + 34429.

It is an arithmetic number, because the mean of its divisors is an integer number (137677900).

Almost surely, 2^550664539 is an apocalyptic number.

550664539 is a deficient number, since it is larger than the sum of its proper divisors (47061).

550664539 is a wasteful number, since it uses less digits than its factorization.

550664539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47060.

The product of its (nonzero) digits is 486000, while the sum is 43.

The square root of 550664539 is about 23466.2425411483. The cubic root of 550664539 is about 819.6511201756.

The spelling of 550664539 in words is "five hundred fifty million, six hundred sixty-four thousand, five hundred thirty-nine".