549770385 has 16 divisors (see below), whose sum is σ = 887705280. Its totient is φ = 290520000.

The previous prime is 549770363. The next prime is 549770393. The reversal of 549770385 is 583077945.

It is not a de Polignac number, because 549770385 - 2⁸ = 549770129 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 166491 + ... + 169760.

It is an arithmetic number, because the mean of its divisors is an integer number (55481580).

Almost surely, 2^549770385 is an apocalyptic number.

It is an amenable number.

549770385 is a deficient number, since it is larger than the sum of its proper divisors (337934895).

549770385 is a wasteful number, since it uses less digits than its factorization.

549770385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336368.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The square root of 549770385 is about 23447.1828798259. The cubic root of 549770385 is about 819.2072374857.

The spelling of 549770385 in words is "five hundred forty-nine million, seven hundred seventy thousand, three hundred eighty-five".