5205556 has 6 divisors (see below), whose sum is σ = 9109730. Its totient is φ = 2602776.

The previous prime is 5205539. The next prime is 5205583. The reversal of 5205556 is 6555025.

It can be written as a sum of positive squares in only one way, i.e., 3960100 + 1245456 = 1990^2 + 1116^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650691 + ... + 650698.

Almost surely, 2^5205556 is an apocalyptic number.

It is an amenable number.

5205556 is a deficient number, since it is larger than the sum of its proper divisors (3904174).

5205556 is a wasteful number, since it uses less digits than its factorization.

5205556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301393 (or 1301391 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 5205556 is about 2281.5687585519. The cubic root of 5205556 is about 173.3095019833.

The spelling of 5205556 in words is "five million, two hundred five thousand, five hundred fifty-six".