549357564 has 48 divisors (see below), whose sum is σ = 1542060800. Its totient is φ = 148697856.

The previous prime is 549357563. The next prime is 549357587. The reversal of 549357564 is 465753945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549357563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170509 + ... + 173700.

Almost surely, 2^549357564 is an apocalyptic number.

It is an amenable number.

549357564 is an abundant number, since it is smaller than the sum of its proper divisors (992703236).

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

549357564 is a wasteful number, since it uses less digits than its factorization.

549357564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344242 (or 344240 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 48.

The square root of 549357564 is about 23438.3780155539. The cubic root of 549357564 is about 819.0021393555.

The spelling of 549357564 in words is "five hundred forty-nine million, three hundred fifty-seven thousand, five hundred sixty-four".