545590928 has 80 divisors (see below), whose sum is σ = 1186441920. Its totient is φ = 241532928.

The previous prime is 545590879. The next prime is 545590931. The reversal of 545590928 is 829095545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997151 + ... + 997697.

It is an arithmetic number, because the mean of its divisors is an integer number (14830524).

Almost surely, 2^545590928 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 545590928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593220960).

545590928 is an abundant number, since it is smaller than the sum of its proper divisors (640850992).

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

545590928 is a wasteful number, since it uses less digits than its factorization.

545590928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 47.

The square root of 545590928 is about 23357.8879182173. The cubic root of 545590928 is about 817.1260325717.

The spelling of 545590928 in words is "five hundred forty-five million, five hundred ninety thousand, nine hundred twenty-eight".