549899045 has 32 divisors (see below), whose sum is σ = 707374080. Its totient is φ = 409190400.

The previous prime is 549899039. The next prime is 549899071. The reversal of 549899045 is 540998945.

It is not a de Polignac number, because 549899045 - 2⁴ = 549899029 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 2139557 + ... + 2139813.

It is an arithmetic number, because the mean of its divisors is an integer number (22105440).

Almost surely, 2^549899045 is an apocalyptic number.

It is an amenable number.

549899045 is a deficient number, since it is larger than the sum of its proper divisors (157475035).

549899045 is a wasteful number, since it uses less digits than its factorization.

549899045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The square root of 549899045 is about 23449.9263325069. The cubic root of 549899045 is about 819.2711374853.

The spelling of 549899045 in words is "five hundred forty-nine million, eight hundred ninety-nine thousand, forty-five".