548644572 has 216 divisors, whose sum is σ = 1699676160. Its totient is φ = 148599360.

The previous prime is 548644571. The next prime is 548644597. The reversal of 548644572 is 275446845.

548644572 is a `hidden beast` number, since 548 + 64 + 45 + 7 + 2 = 666.

548644572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×548644572⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548644571) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4319973 + ... + 4320099.

Almost surely, 2^548644572 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 548644572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849838080).

548644572 is an abundant number, since it is smaller than the sum of its proper divisors (1151031588).

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

548644572 is a wasteful number, since it uses less digits than its factorization.

548644572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 249 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The square root of 548644572 is about 23423.1631510349. The cubic root of 548644572 is about 818.6476678662.

The spelling of 548644572 in words is "five hundred forty-eight million, six hundred forty-four thousand, five hundred seventy-two".