55331306 has 8 divisors (see below), whose sum is σ = 87365280. Its totient is φ = 26209548.

The previous prime is 55331303. The next prime is 55331327. The reversal of 55331306 is 60313355.

55331306 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 Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55331303) 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 3 ways as a sum of consecutive naturals, for example, 728006 + ... + 728081.

It is an arithmetic number, because the mean of its divisors is an integer number (10920660).

Almost surely, 2^55331306 is an apocalyptic number.

55331306 is a deficient number, since it is larger than the sum of its proper divisors (32033974).

55331306 is a wasteful number, since it uses less digits than its factorization.

55331306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456108.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 55331306 is about 7438.5015964238. The cubic root of 55331306 is about 381.0573185281.

The spelling of 55331306 in words is "fifty-five million, three hundred thirty-one thousand, three hundred six".