55343447 has 8 divisors (see below), whose sum is σ = 58858800. Its totient is φ = 51888384.

The previous prime is 55343441. The next prime is 55343459. The reversal of 55343447 is 74434355.

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 55343447 - 2⁸ = 55343191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55343441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13172 + ... + 16857.

It is an arithmetic number, because the mean of its divisors is an integer number (7357350).

Almost surely, 2^55343447 is an apocalyptic number.

55343447 is a deficient number, since it is larger than the sum of its proper divisors (3515353).

55343447 is a wasteful number, since it uses less digits than its factorization.

55343447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30145.

The product of its digits is 100800, while the sum is 35.

The square root of 55343447 is about 7439.3176434402. The cubic root of 55343447 is about 381.0851874924.

The spelling of 55343447 in words is "fifty-five million, three hundred forty-three thousand, four hundred forty-seven".