549181248 has 224 divisors, whose sum is σ = 1832506368. Its totient is φ = 142179840.

The previous prime is 549181247. The next prime is 549181249. The reversal of 549181248 is 842181945.

It is an interprime number because it is at equal distance from previous prime (549181247) and next prime (549181249).

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549181247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1788711 + ... + 1789017.

It is an arithmetic number, because the mean of its divisors is an integer number (8180832).

Almost surely, 2^549181248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549181248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (916253184).

549181248 is an abundant number, since it is smaller than the sum of its proper divisors (1283325120).

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

549181248 is a wasteful number, since it uses less digits than its factorization.

549181248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 330 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The square root of 549181248 is about 23434.6164466159. The cubic root of 549181248 is about 818.9145105553.

The spelling of 549181248 in words is "five hundred forty-nine million, one hundred eighty-one thousand, two hundred forty-eight".