539433556 has 12 divisors (see below), whose sum is σ = 967033620. Its totient is φ = 263138240.

The previous prime is 539433529. The next prime is 539433571. The reversal of 539433556 is 655334935.

It can be written as a sum of positive squares in 2 ways, for example, as 268304400 + 271129156 = 16380^2 + 16466^2 .

It is a super-2 number, since 2×539433556² = 581977122677610272, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1644451 + ... + 1644778.

It is an arithmetic number, because the mean of its divisors is an integer number (80586135).

Almost surely, 2^539433556 is an apocalyptic number.

It is an amenable number.

539433556 is a deficient number, since it is larger than the sum of its proper divisors (427600064).

539433556 is a wasteful number, since it uses less digits than its factorization.

539433556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289274 (or 3289272 counting only the distinct ones).

The product of its digits is 729000, while the sum is 43.

The square root of 539433556 is about 23225.7089450462. The cubic root of 539433556 is about 814.0404509958.

The spelling of 539433556 in words is "five hundred thirty-nine million, four hundred thirty-three thousand, five hundred fifty-six".