549913967 has 4 divisors (see below), whose sum is σ = 550036320. Its totient is φ = 549791616.

The previous prime is 549913939. The next prime is 549913999. The reversal of 549913967 is 769319945.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 549913967 - 2⁸ = 549913711 is a prime.

It is a super-2 number, since 2×549913967² = 604810742203354178, 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 (549913907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54167 + ... + 63512.

It is an arithmetic number, because the mean of its divisors is an integer number (137509080).

Almost surely, 2^549913967 is an apocalyptic number.

549913967 is a deficient number, since it is larger than the sum of its proper divisors (122353).

549913967 is a wasteful number, since it uses less digits than its factorization.

549913967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122352.

The product of its digits is 1837080, while the sum is 53.

The square root of 549913967 is about 23450.2444976593. The cubic root of 549913967 is about 819.2785479688.

The spelling of 549913967 in words is "five hundred forty-nine million, nine hundred thirteen thousand, nine hundred sixty-seven".