539648856 has 48 divisors (see below), whose sum is σ = 1462617000. Its totient is φ = 179751552.

The previous prime is 539648843. The next prime is 539648903. The reversal of 539648856 is 658846935.

It is a happy number.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 192940 + ... + 195716.

Almost surely, 2^539648856 is an apocalyptic number.

It is an amenable number.

539648856 is an abundant number, since it is smaller than the sum of its proper divisors (922968144).

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

539648856 is a wasteful number, since it uses less digits than its factorization.

539648856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5488 (or 5481 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The square root of 539648856 is about 23230.3434326744. The cubic root of 539648856 is about 814.1487371757.

The spelling of 539648856 in words is "five hundred thirty-nine million, six hundred forty-eight thousand, eight hundred fifty-six".