55331347 has 8 divisors (see below), whose sum is σ = 56331200. Its totient is φ = 54336744.

The previous prime is 55331327. The next prime is 55331351. The reversal of 55331347 is 74313355.

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

It is a cyclic number.

It is not a de Polignac number, because 55331347 - 2¹¹ = 55329299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55331327) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24304 + ... + 26482.

It is an arithmetic number, because the mean of its divisors is an integer number (7041400).

Almost surely, 2^55331347 is an apocalyptic number.

55331347 is a deficient number, since it is larger than the sum of its proper divisors (999853).

55331347 is a wasteful number, since it uses less digits than its factorization.

55331347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625.

The product of its digits is 18900, while the sum is 31.

The square root of 55331347 is about 7438.5043523547. The cubic root of 55331347 is about 381.0574126481.

The spelling of 55331347 in words is "fifty-five million, three hundred thirty-one thousand, three hundred forty-seven".