5555806 has 4 divisors (see below), whose sum is σ = 8333712. Its totient is φ = 2777902.

The previous prime is 5555777. The next prime is 5555807. The reversal of 5555806 is 6085555.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1388950 + ... + 1388953.

It is an arithmetic number, because the mean of its divisors is an integer number (2083428).

Almost surely, 2^5555806 is an apocalyptic number.

5555806 is a deficient number, since it is larger than the sum of its proper divisors (2777906).

5555806 is a wasteful number, since it uses less digits than its factorization.

5555806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777905.

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 5555806 is about 2357.0757306459. The cubic root of 5555806 is about 177.1124228598.

The spelling of 5555806 in words is "five million, five hundred fifty-five thousand, eight hundred six".