545716520 has 32 divisors (see below), whose sum is σ = 1230071400. Its totient is φ = 217893888.

The previous prime is 545716517. The next prime is 545716543. The reversal of 545716520 is 25617545.

It can be written as a sum of positive squares in 4 ways, for example, as 329567716 + 216148804 = 18154^2 + 14702^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10772 + ... + 34748.

Almost surely, 2^545716520 is an apocalyptic number.

It is an amenable number.

545716520 is an abundant number, since it is smaller than the sum of its proper divisors (684354880).

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

545716520 is a wasteful number, since it uses less digits than its factorization.

545716520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24557 (or 24553 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 545716520 is about 23360.5761915240. The cubic root of 545716520 is about 817.1887270521.

The spelling of 545716520 in words is "five hundred forty-five million, seven hundred sixteen thousand, five hundred twenty".