546544728 has 144 divisors (see below), whose sum is σ = 1599507000. Its totient is φ = 168106752.

The previous prime is 546544721. The next prime is 546544729. The reversal of 546544728 is 827445645.

It is a super-2 number, since 2×546544728² = 597422279409187968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546544721) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6140908 + ... + 6140996.

Almost surely, 2^546544728 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 546544728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799753500).

546544728 is an abundant number, since it is smaller than the sum of its proper divisors (1052962272).

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

546544728 is a wasteful number, since it uses less digits than its factorization.

546544728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 180 counting only the distinct ones).

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

The square root of 546544728 is about 23378.2960884663. The cubic root of 546544728 is about 817.6019209121.

The spelling of 546544728 in words is "five hundred forty-six million, five hundred forty-four thousand, seven hundred twenty-eight".