548420544 has 420 divisors, whose sum is σ = 2018117376. Its totient is φ = 146313216.

The previous prime is 548420519. The next prime is 548420557. The reversal of 548420544 is 445024845.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 548420499 and 548420508.

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 59 ways as a sum of consecutive naturals, for example, 4318209 + ... + 4318335.

Almost surely, 2^548420544 is an apocalyptic number.

548420544 is a gapful number since it is divisible by the number (54) 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 548420544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009058688).

548420544 is an abundant number, since it is smaller than the sum of its proper divisors (1469696832).

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

548420544 is a wasteful number, since it uses less digits than its factorization.

548420544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

The square root of 548420544 is about 23418.3804734657. The cubic root of 548420544 is about 818.5362265814.

The spelling of 548420544 in words is "five hundred forty-eight million, four hundred twenty thousand, five hundred forty-four".