545481528 has 64 divisors (see below), whose sum is σ = 1404370560. Its totient is φ = 176432256.

The previous prime is 545481527. The next prime is 545481551. The reversal of 545481528 is 825184545.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 545481528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545481527) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 485175 + ... + 486297.

It is an arithmetic number, because the mean of its divisors is an integer number (21943290).

Almost surely, 2^545481528 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 545481528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702185280).

545481528 is an abundant number, since it is smaller than the sum of its proper divisors (858889032).

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

545481528 is a wasteful number, since it uses less digits than its factorization.

545481528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716 (or 1712 counting only the distinct ones).

The product of its digits is 256000, while the sum is 42.

The square root of 545481528 is about 23355.5459794885. The cubic root of 545481528 is about 817.0714131618.

The spelling of 545481528 in words is "five hundred forty-five million, four hundred eighty-one thousand, five hundred twenty-eight".