545359320 has 192 divisors, whose sum is σ = 2047537440. Its totient is φ = 124416000.

The previous prime is 545359319. The next prime is 545359351. The reversal of 545359320 is 23953545.

545359320 is a `hidden beast` number, since 5 + 45 + 3 + 593 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63270 + ... + 71370.

Almost surely, 2^545359320 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 545359320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1023768720).

545359320 is an abundant number, since it is smaller than the sum of its proper divisors (1502178120).

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

545359320 is a wasteful number, since it uses less digits than its factorization.

545359320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8146 (or 8139 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 545359320 is about 23352.9295806757. The cubic root of 545359320 is about 817.0103905509.

The spelling of 545359320 in words is "five hundred forty-five million, three hundred fifty-nine thousand, three hundred twenty".