549545808 has 320 divisors, whose sum is σ = 1851310080. Its totient is φ = 136790016.

The previous prime is 549545753. The next prime is 549545827. The reversal of 549545808 is 808545945.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6174628 + ... + 6174716.

It is an arithmetic number, because the mean of its divisors is an integer number (5785344).

Almost surely, 2^549545808 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 549545808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (925655040).

549545808 is an abundant number, since it is smaller than the sum of its proper divisors (1301764272).

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

549545808 is a wasteful number, since it uses less digits than its factorization.

549545808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 48.

The square root of 549545808 is about 23442.3933931670. The cubic root of 549545808 is about 819.0956756620.

The spelling of 549545808 in words is "five hundred forty-nine million, five hundred forty-five thousand, eight hundred eight".