548454816 has 288 divisors, whose sum is σ = 2034160128. Its totient is φ = 136028160.

The previous prime is 548454773. The next prime is 548454853. The reversal of 548454816 is 618454845.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 444921 + ... + 446151.

It is an arithmetic number, because the mean of its divisors is an integer number (7063056).

Almost surely, 2^548454816 is an apocalyptic number.

548454816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 548454816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017080064).

548454816 is an abundant number, since it is smaller than the sum of its proper divisors (1485705312).

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

548454816 is a wasteful number, since it uses less digits than its factorization.

548454816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284 (or 1273 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 548454816 is about 23419.1121949573. The cubic root of 548454816 is about 818.5532769330.

The spelling of 548454816 in words is "five hundred forty-eight million, four hundred fifty-four thousand, eight hundred sixteen".