549799047 has 12 divisors (see below), whose sum is σ = 907604880. Its totient is φ = 314170848.

The previous prime is 549799031. The next prime is 549799049. The reversal of 549799047 is 740997945.

549799047 is a `hidden beast` number, since 549 + 7 + 9 + 90 + 4 + 7 = 666.

It is not a de Polignac number, because 549799047 - 2⁴ = 549799031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549798984 and 549799002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549799049) 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 11 ways as a sum of consecutive naturals, for example, 4363422 + ... + 4363547.

It is an arithmetic number, because the mean of its divisors is an integer number (75633740).

Almost surely, 2^549799047 is an apocalyptic number.

549799047 is a deficient number, since it is larger than the sum of its proper divisors (357805833).

549799047 is a wasteful number, since it uses less digits than its factorization.

549799047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8726982 (or 8726979 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 549799047 is about 23447.7940753496. The cubic root of 549799047 is about 819.2214735561.

The spelling of 549799047 in words is "five hundred forty-nine million, seven hundred ninety-nine thousand, forty-seven".