549450447 has 16 divisors (see below), whose sum is σ = 901662720. Its totient is φ = 289819872.

The previous prime is 549450439. The next prime is 549450467. The reversal of 549450447 is 744054945.

It is not a de Polignac number, because 549450447 - 2³ = 549450439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549450399 and 549450408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549450467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006047 + ... + 1006592.

It is an arithmetic number, because the mean of its divisors is an integer number (56353920).

Almost surely, 2^549450447 is an apocalyptic number.

549450447 is a deficient number, since it is larger than the sum of its proper divisors (352212273).

549450447 is a wasteful number, since it uses less digits than its factorization.

549450447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012662.

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 549450447 is about 23440.3593615798. The cubic root of 549450447 is about 819.0482945338.

The spelling of 549450447 in words is "five hundred forty-nine million, four hundred fifty thousand, four hundred forty-seven".