545566956 has 48 divisors (see below), whose sum is σ = 1397088000. Its totient is φ = 164326720.

The previous prime is 545566949. The next prime is 545566979. The reversal of 545566956 is 659665545.

It is a junction number, because it is equal to n+sod(n) for n = 545566899 and 545566908.

It is an unprimeable number.

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, 9670 + ... + 34418.

It is an arithmetic number, because the mean of its divisors is an integer number (29106000).

Almost surely, 2^545566956 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 545566956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698544000).

545566956 is an abundant number, since it is smaller than the sum of its proper divisors (851521044).

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

545566956 is a wasteful number, since it uses less digits than its factorization.

545566956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24934 (or 24932 counting only the distinct ones).

The product of its digits is 4860000, while the sum is 51.

The square root of 545566956 is about 23357.3747668697. The cubic root of 545566956 is about 817.1140648555.

The spelling of 545566956 in words is "five hundred forty-five million, five hundred sixty-six thousand, nine hundred fifty-six".