51031606 has 16 divisors (see below), whose sum is σ = 81126000. Its totient is φ = 24007968.

The previous prime is 51031597. The next prime is 51031649. The reversal of 51031606 is 60613015.

51031606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 7 ways as a sum of consecutive naturals, for example, 1156 + ... + 10168.

It is an arithmetic number, because the mean of its divisors is an integer number (5070375).

Almost surely, 2^51031606 is an apocalyptic number.

51031606 is a deficient number, since it is larger than the sum of its proper divisors (30094394).

51031606 is a wasteful number, since it uses less digits than its factorization.

51031606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9183.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 51031606 is about 7143.6409484240. The cubic root of 51031606 is about 370.9195680555.

The spelling of 51031606 in words is "fifty-one million, thirty-one thousand, six hundred six".