55231606 has 16 divisors (see below), whose sum is σ = 88630416. Its totient is φ = 25721856.

The previous prime is 55231601. The next prime is 55231619. The reversal of 55231606 is 60613255.

55231606 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 not an unprimeable number, because it can be changed into a prime (55231601) by changing a digit.

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, 5076 + ... + 11671.

It is an arithmetic number, because the mean of its divisors is an integer number (5539401).

Almost surely, 2^55231606 is an apocalyptic number.

55231606 is a deficient number, since it is larger than the sum of its proper divisors (33398810).

55231606 is a wasteful number, since it uses less digits than its factorization.

55231606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16863.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 55231606 is about 7431.7969563222. The cubic root of 55231606 is about 380.8283085948.

The spelling of 55231606 in words is "fifty-five million, two hundred thirty-one thousand, six hundred six".