545520784 has 20 divisors (see below), whose sum is σ = 1058821740. Its totient is φ = 272276480.

The previous prime is 545520719. The next prime is 545520809. The reversal of 545520784 is 487025545.

It can be written as a sum of positive squares in 2 ways, for example, as 240250000 + 305270784 = 15500^2 + 17472^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20857 + ... + 39064.

It is an arithmetic number, because the mean of its divisors is an integer number (52941087).

Almost surely, 2^545520784 is an apocalyptic number.

It is an amenable number.

545520784 is a deficient number, since it is larger than the sum of its proper divisors (513300956).

545520784 is a wasteful number, since it uses less digits than its factorization.

545520784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60498 (or 60492 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 40.

The square root of 545520784 is about 23356.3863643330. The cubic root of 545520784 is about 817.0910130837.

The spelling of 545520784 in words is "five hundred forty-five million, five hundred twenty thousand, seven hundred eighty-four".