549875345 has 4 divisors (see below), whose sum is σ = 659850420. Its totient is φ = 439900272.

The previous prime is 549875327. The next prime is 549875363. The reversal of 549875345 is 543578945.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (549875327) and next prime (549875363).

It can be written as a sum of positive squares in 2 ways, for example, as 319837456 + 230037889 = 17884^2 + 15167^2 .

It is a cyclic number.

It is not a de Polignac number, because 549875345 - 2¹⁰ = 549874321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549875293 and 549875302.

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 3 ways as a sum of consecutive naturals, for example, 54987530 + ... + 54987539.

It is an arithmetic number, because the mean of its divisors is an integer number (164962605).

Almost surely, 2^549875345 is an apocalyptic number.

It is an amenable number.

549875345 is a deficient number, since it is larger than the sum of its proper divisors (109975075).

549875345 is a wasteful number, since it uses less digits than its factorization.

549875345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109975074.

The product of its digits is 3024000, while the sum is 50.

The square root of 549875345 is about 23449.4209949841. The cubic root of 549875345 is about 819.2593674431.

The spelling of 549875345 in words is "five hundred forty-nine million, eight hundred seventy-five thousand, three hundred forty-five".