547996805 has 4 divisors (see below), whose sum is σ = 657596172. Its totient is φ = 438397440.

The previous prime is 547996769. The next prime is 547996837. The reversal of 547996805 is 508699745.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89094721 + 458902084 = 9439^2 + 21422^2 .

It is not a de Polignac number, because 547996805 - 2⁶ = 547996741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 54799676 + ... + 54799685.

It is an arithmetic number, because the mean of its divisors is an integer number (164399043).

Almost surely, 2^547996805 is an apocalyptic number.

It is an amenable number.

547996805 is a deficient number, since it is larger than the sum of its proper divisors (109599367).

547996805 is a wasteful number, since it uses less digits than its factorization.

547996805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109599366.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The square root of 547996805 is about 23409.3315795219. The cubic root of 547996805 is about 818.3253573286.

The spelling of 547996805 in words is "five hundred forty-seven million, nine hundred ninety-six thousand, eight hundred five".