549249448 has 32 divisors (see below), whose sum is σ = 1150873920. Its totient is φ = 243568000.

The previous prime is 549249431. The next prime is 549249461. The reversal of 549249448 is 844942945.

It is a happy number.

It is a super-2 number, since 2×549249448² = 603349912256609408, which contains 22 as substring.

It is a plaindrome in base 15.

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 7 ways as a sum of consecutive naturals, for example, 72508 + ... + 79723.

It is an arithmetic number, because the mean of its divisors is an integer number (35964810).

Almost surely, 2^549249448 is an apocalyptic number.

It is an amenable number.

549249448 is an abundant number, since it is smaller than the sum of its proper divisors (601624472).

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

549249448 is a wasteful number, since it uses less digits than its factorization.

549249448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152289 (or 152285 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The square root of 549249448 is about 23436.0715138011. The cubic root of 549249448 is about 818.9484080819.

The spelling of 549249448 in words is "five hundred forty-nine million, two hundred forty-nine thousand, four hundred forty-eight".