5205566 has 4 divisors (see below), whose sum is σ = 7808352. Its totient is φ = 2602782.

The previous prime is 5205539. The next prime is 5205583. The reversal of 5205566 is 6655025.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1301390 + ... + 1301393.

It is an arithmetic number, because the mean of its divisors is an integer number (1952088).

Almost surely, 2^5205566 is an apocalyptic number.

5205566 is a deficient number, since it is larger than the sum of its proper divisors (2602786).

5205566 is a wasteful number, since it uses less digits than its factorization.

5205566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602785.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 5205566 is about 2281.5709500254. The cubic root of 5205566 is about 173.3096129605.

The spelling of 5205566 in words is "five million, two hundred five thousand, five hundred sixty-six".