539685520 has 40 divisors (see below), whose sum is σ = 1368840960. Its totient is φ = 196248960.

The previous prime is 539685499. The next prime is 539685527. The reversal of 539685520 is 25586935.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (539685527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305760 + ... + 307519.

It is an arithmetic number, because the mean of its divisors is an integer number (34221024).

Almost surely, 2^539685520 is an apocalyptic number.

It is an amenable number.

539685520 is an abundant number, since it is smaller than the sum of its proper divisors (829155440).

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

539685520 is a wasteful number, since it uses less digits than its factorization.

539685520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613303 (or 613297 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 43.

The square root of 539685520 is about 23231.1325595633. The cubic root of 539685520 is about 814.1671746423.

The spelling of 539685520 in words is "five hundred thirty-nine million, six hundred eighty-five thousand, five hundred twenty".