2550806 has 8 divisors (see below), whose sum is σ = 3891240. Its totient is φ = 1253728.

The previous prime is 2550791. The next prime is 2550853. The reversal of 2550806 is 6080552.

2550806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2550806² = 13013222499272, 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, 10691 + ... + 10926.

It is an arithmetic number, because the mean of its divisors is an integer number (486405).

2^2550806 is an apocalyptic number.

2550806 is a deficient number, since it is larger than the sum of its proper divisors (1340434).

2550806 is a wasteful number, since it uses less digits than its factorization.

2550806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21678.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2550806 is about 1597.1242907175. The cubic root of 2550806 is about 136.6341134708.

The spelling of 2550806 in words is "two million, five hundred fifty thousand, eight hundred six".