545567616 has 256 divisors, whose sum is σ = 1786060800. Its totient is φ = 162570240.

The previous prime is 545567609. The next prime is 545567639. The reversal of 545567616 is 616765545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4295745 + ... + 4295871.

It is an arithmetic number, because the mean of its divisors is an integer number (6976800).

Almost surely, 2^545567616 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 545567616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893030400).

545567616 is an abundant number, since it is smaller than the sum of its proper divisors (1240493184).

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

545567616 is a wasteful number, since it uses less digits than its factorization.

545567616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 256 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 545567616 is about 23357.3888951655. The cubic root of 545567616 is about 817.1143943568.

The spelling of 545567616 in words is "five hundred forty-five million, five hundred sixty-seven thousand, six hundred sixteen".