549647968 has 24 divisors (see below), whose sum is σ = 1108515240. Its totient is φ = 268120320.

The previous prime is 549647963. The next prime is 549647983. The reversal of 549647968 is 869746945.

It is a happy number.

It is a super-2 number, since 2×549647968² = 604225777453058048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549647963) 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, 208158 + ... + 210781.

It is an arithmetic number, because the mean of its divisors is an integer number (46188135).

Almost surely, 2^549647968 is an apocalyptic number.

It is an amenable number.

549647968 is an abundant number, since it is smaller than the sum of its proper divisors (558867272).

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

549647968 is a wasteful number, since it uses less digits than its factorization.

549647968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418990 (or 418982 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 58.

The square root of 549647968 is about 23444.5722503099. The cubic root of 549647968 is about 819.1464288648.

The spelling of 549647968 in words is "five hundred forty-nine million, six hundred forty-seven thousand, nine hundred sixty-eight".