549595564 has 18 divisors (see below), whose sum is σ = 1118819940. Its totient is φ = 235540872.

The previous prime is 549595547. The next prime is 549595583. The reversal of 549595564 is 465595945.

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 5 ways as a sum of consecutive naturals, for example, 1401834 + ... + 1402225.

Almost surely, 2^549595564 is an apocalyptic number.

It is an amenable number.

549595564 is an abundant number, since it is smaller than the sum of its proper divisors (569224376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549595564 is a wasteful number, since it uses less digits than its factorization.

549595564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804077 (or 2804068 counting only the distinct ones).

The product of its digits is 4860000, while the sum is 52.

The square root of 549595564 is about 23443.4546089095. The cubic root of 549595564 is about 819.1203952844.

The spelling of 549595564 in words is "five hundred forty-nine million, five hundred ninety-five thousand, five hundred sixty-four".