545704320 has 256 divisors, whose sum is σ = 2093529600. Its totient is φ = 118112256.

The previous prime is 545704319. The next prime is 545704351. The reversal of 545704320 is 23407545.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 254292 + ... + 256428.

It is an arithmetic number, because the mean of its divisors is an integer number (8177850).

Almost surely, 2^545704320 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 545704320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1046764800).

545704320 is an abundant number, since it is smaller than the sum of its proper divisors (1547825280).

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

545704320 is a wasteful number, since it uses less digits than its factorization.

545704320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185 (or 2173 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 545704320 is about 23360.3150663684. The cubic root of 545704320 is about 817.1826373355.

The spelling of 545704320 in words is "five hundred forty-five million, seven hundred four thousand, three hundred twenty".