539447648 has 24 divisors (see below), whose sum is σ = 1062651240. Its totient is φ = 269568000.

The previous prime is 539447641. The next prime is 539447653. The reversal of 539447648 is 846744935.

It is a junction number, because it is equal to n+sod(n) for n = 539447596 and 539447605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539447641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68288 + ... + 75776.

It is an arithmetic number, because the mean of its divisors is an integer number (44277135).

Almost surely, 2^539447648 is an apocalyptic number.

It is an amenable number.

539447648 is a deficient number, since it is larger than the sum of its proper divisors (523203592).

539447648 is a wasteful number, since it uses less digits than its factorization.

539447648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9750 (or 9742 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The square root of 539447648 is about 23226.0123137830. The cubic root of 539447648 is about 814.0475395168.

The spelling of 539447648 in words is "five hundred thirty-nine million, four hundred forty-seven thousand, six hundred forty-eight".