545511560 has 96 divisors (see below), whose sum is σ = 1382535000. Its totient is φ = 193459200.

The previous prime is 545511523. The next prime is 545511569. The reversal of 545511560 is 65115545.

It can be written as a sum of positive squares in 4 ways, for example, as 178329316 + 367182244 = 13354^2 + 19162^2 .

It is not an unprimeable number, because it can be changed into a prime (545511569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197066 + ... + 199814.

Almost surely, 2^545511560 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 545511560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691267500).

545511560 is an abundant number, since it is smaller than the sum of its proper divisors (837023440).

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

545511560 is a wasteful number, since it uses less digits than its factorization.

545511560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823 (or 2808 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 545511560 is about 23356.1889014454. The cubic root of 545511560 is about 817.0864077657.

The spelling of 545511560 in words is "five hundred forty-five million, five hundred eleven thousand, five hundred sixty".