545230056 has 128 divisors (see below), whose sum is σ = 1607040000. Its totient is φ = 154074816.

The previous prime is 545230051. The next prime is 545230057. The reversal of 545230056 is 650032545.

545230056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (545230051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 880515 + ... + 881133.

It is an arithmetic number, because the mean of its divisors is an integer number (12555000).

Almost surely, 2^545230056 is an apocalyptic number.

545230056 is a gapful number since it is divisible by the number (56) 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 545230056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (803520000).

545230056 is an abundant number, since it is smaller than the sum of its proper divisors (1061809944).

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

545230056 is a wasteful number, since it uses less digits than its factorization.

545230056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 545230056 is about 23350.1617981546. The cubic root of 545230056 is about 816.9458347175.

The spelling of 545230056 in words is "five hundred forty-five million, two hundred thirty thousand, fifty-six".