549450605 has 16 divisors (see below), whose sum is σ = 726409728. Its totient is φ = 395640000.

The previous prime is 549450599. The next prime is 549450619. The reversal of 549450605 is 506054945.

It is not a de Polignac number, because 549450605 - 2⁴ = 549450589 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 43901 + ... + 55010.

It is an arithmetic number, because the mean of its divisors is an integer number (45400608).

Almost surely, 2^549450605 is an apocalyptic number.

549450605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

549450605 is a deficient number, since it is larger than the sum of its proper divisors (176959123).

549450605 is a wasteful number, since it uses less digits than its factorization.

549450605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99028.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 549450605 is about 23440.3627318350. The cubic root of 549450605 is about 819.0483730423.

It can be divided in two parts, 549450 and 605, that added together give a palindrome (550055).

The spelling of 549450605 in words is "five hundred forty-nine million, four hundred fifty thousand, six hundred five".