549486645 has 32 divisors (see below), whose sum is σ = 887483520. Its totient is φ = 290307840.

The previous prime is 549486611. The next prime is 549486659. The reversal of 549486645 is 546684945.

It is not a de Polignac number, because 549486645 - 2¹¹ = 549484597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1191715 + ... + 1192175.

It is an arithmetic number, because the mean of its divisors is an integer number (27733860).

Almost surely, 2^549486645 is an apocalyptic number.

It is an amenable number.

549486645 is a deficient number, since it is larger than the sum of its proper divisors (337996875).

549486645 is a wasteful number, since it uses less digits than its factorization.

549486645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045.

The product of its digits is 4147200, while the sum is 51.

The square root of 549486645 is about 23441.1314786637. The cubic root of 549486645 is about 819.0662805410.

The spelling of 549486645 in words is "five hundred forty-nine million, four hundred eighty-six thousand, six hundred forty-five".