545045540 has 48 divisors (see below), whose sum is σ = 1253568960. Its totient is φ = 197831040.

The previous prime is 545045537. The next prime is 545045561. The reversal of 545045540 is 45540545.

It is a junction number, because it is equal to n+sod(n) for n = 545045497 and 545045506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2426 + ... + 33105.

It is an arithmetic number, because the mean of its divisors is an integer number (26116020).

Almost surely, 2^545045540 is an apocalyptic number.

It is an amenable number.

545045540 is an abundant number, since it is smaller than the sum of its proper divisors (708523420).

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

545045540 is a wasteful number, since it uses less digits than its factorization.

545045540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35612 (or 35610 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 545045540 is about 23346.2103991205. The cubic root of 545045540 is about 816.8536677606.

The spelling of 545045540 in words is "five hundred forty-five million, forty-five thousand, five hundred forty".