545181560 has 64 divisors (see below), whose sum is σ = 1529349120. Its totient is φ = 169925760.

The previous prime is 545181557. The next prime is 545181577. The reversal of 545181560 is 65181545.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 545181560.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85424 + ... + 91583.

It is an arithmetic number, because the mean of its divisors is an integer number (23896080).

Almost surely, 2^545181560 is an apocalyptic number.

It is an amenable number.

545181560 is an abundant number, since it is smaller than the sum of its proper divisors (984167560).

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

545181560 is a wasteful number, since it uses less digits than its factorization.

545181560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177036 (or 177032 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 545181560 is about 23349.1233240137. The cubic root of 545181560 is about 816.9216126608.

The spelling of 545181560 in words is "five hundred forty-five million, one hundred eighty-one thousand, five hundred sixty".