5206555 has 4 divisors (see below), whose sum is σ = 6247872. Its totient is φ = 4165240.

The previous prime is 5206541. The next prime is 5206567. The reversal of 5206555 is 5556025.

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

It is not a de Polignac number, because 5206555 - 2⁷ = 5206427 is a prime.

It is a Duffinian number.

5206555 is a lucky 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 in 3 ways as a sum of consecutive naturals, for example, 520651 + ... + 520660.

It is an arithmetic number, because the mean of its divisors is an integer number (1561968).

Almost surely, 2^5206555 is an apocalyptic number.

5206555 is a deficient number, since it is larger than the sum of its proper divisors (1041317).

5206555 is a wasteful number, since it uses less digits than its factorization.

5206555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041316.

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

The square root of 5206555 is about 2281.7876763625. The cubic root of 5206555 is about 173.3205879024.

The spelling of 5206555 in words is "five million, two hundred six thousand, five hundred fifty-five".