545365888 has 64 divisors (see below), whose sum is σ = 1129605120. Its totient is φ = 261987840.

The previous prime is 545365853. The next prime is 545365907. The reversal of 545365888 is 888563545.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662245 + ... + 663067.

It is an arithmetic number, because the mean of its divisors is an integer number (17650080).

Almost surely, 2^545365888 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 545365888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564802560).

545365888 is an abundant number, since it is smaller than the sum of its proper divisors (584239232).

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

545365888 is a wasteful number, since it uses less digits than its factorization.

545365888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1023 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 52.

The square root of 545365888 is about 23353.0702050073. The cubic root of 545365888 is about 817.0136704085.

The spelling of 545365888 in words is "five hundred forty-five million, three hundred sixty-five thousand, eight hundred eighty-eight".