549574285 has 16 divisors (see below), whose sum is σ = 710717616. Its totient is φ = 405554688.

The previous prime is 549574253. The next prime is 549574301. The reversal of 549574285 is 582475945.

It can be written as a sum of positive squares in 8 ways, for example, as 141776649 + 407797636 = 11907^2 + 20194^2 .

It is a cyclic number.

It is not a de Polignac number, because 549574285 - 2⁵ = 549574253 is a prime.

It is a super-2 number, since 2×549574285² = 604063789466522450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152727 + ... + 156283.

It is an arithmetic number, because the mean of its divisors is an integer number (44419851).

Almost surely, 2^549574285 is an apocalyptic number.

It is an amenable number.

549574285 is a deficient number, since it is larger than the sum of its proper divisors (161143331).

549574285 is a wasteful number, since it uses less digits than its factorization.

549574285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5952.

The product of its digits is 2016000, while the sum is 49.

The square root of 549574285 is about 23443.0007678198. Note that the first 3 decimals coincide. The cubic root of 549574285 is about 819.1098236998.

The spelling of 549574285 in words is "five hundred forty-nine million, five hundred seventy-four thousand, two hundred eighty-five".