548778672 has 320 divisors, whose sum is σ = 1847104000. Its totient is φ = 154524672.

The previous prime is 548778661. The next prime is 548778673. The reversal of 548778672 is 276877845.

It is a happy number.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (548778673) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 3947979 + ... + 3948117.

It is an arithmetic number, because the mean of its divisors is an integer number (5772200).

Almost surely, 2^548778672 is an apocalyptic number.

548778672 is a gapful number since it is divisible by the number (52) 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 548778672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923552000).

548778672 is an abundant number, since it is smaller than the sum of its proper divisors (1298325328).

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

548778672 is a wasteful number, since it uses less digits than its factorization.

548778672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 213 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 54.

The square root of 548778672 is about 23426.0255271781. The cubic root of 548778672 is about 818.7143605332.

The spelling of 548778672 in words is "five hundred forty-eight million, seven hundred seventy-eight thousand, six hundred seventy-two".