549539967 has 4 divisors (see below), whose sum is σ = 732719960. Its totient is φ = 366359976.

The previous prime is 549539953. The next prime is 549539981. The reversal of 549539967 is 769935945.

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 (549539953) and next prime (549539981).

It is not a de Polignac number, because 549539967 - 2⁴ = 549539951 is a prime.

It is a super-2 number, since 2×549539967² = 603988350660722178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549539927) by changing a digit.

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, 91589992 + ... + 91589997.

It is an arithmetic number, because the mean of its divisors is an integer number (183179990).

Almost surely, 2^549539967 is an apocalyptic number.

549539967 is a deficient number, since it is larger than the sum of its proper divisors (183179993).

549539967 is a wasteful number, since it uses less digits than its factorization.

549539967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183179992.

The product of its digits is 9185400, while the sum is 57.

The square root of 549539967 is about 23442.2688108468. The cubic root of 549539967 is about 819.0927736565.

The spelling of 549539967 in words is "five hundred forty-nine million, five hundred thirty-nine thousand, nine hundred sixty-seven".