549863146 has 16 divisors (see below), whose sum is σ = 942951744. Its totient is φ = 235573344.

The previous prime is 549863143. The next prime is 549863189. The reversal of 549863146 is 641368945.

549863146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 549863096 and 549863105.

It is not an unprimeable number, because it can be changed into a prime (549863143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52201 + ... + 61843.

It is an arithmetic number, because the mean of its divisors is an integer number (58934484).

Almost surely, 2^549863146 is an apocalyptic number.

549863146 is a deficient number, since it is larger than the sum of its proper divisors (393088598).

549863146 is a wasteful number, since it uses less digits than its factorization.

549863146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13725.

The product of its digits is 622080, while the sum is 46.

The square root of 549863146 is about 23449.1608805091. The cubic root of 549863146 is about 819.2533089676.

It can be divided in two parts, 5498 and 63146, that added together give a square (68644 = 262²).

The spelling of 549863146 in words is "five hundred forty-nine million, eight hundred sixty-three thousand, one hundred forty-six".