55281343 has 8 divisors (see below), whose sum is σ = 59598000. Its totient is φ = 50973888.

The previous prime is 55281341. The next prime is 55281361. The reversal of 55281343 is 34318255.

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 55281343 - 2¹ = 55281341 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 (55281341) 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, 15108 + ... + 18406.

It is an arithmetic number, because the mean of its divisors is an integer number (7449750).

Almost surely, 2^55281343 is an apocalyptic number.

55281343 is a deficient number, since it is larger than the sum of its proper divisors (4316657).

55281343 is a wasteful number, since it uses less digits than its factorization.

55281343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601.

The product of its digits is 14400, while the sum is 31.

The square root of 55281343 is about 7435.1424330674. The cubic root of 55281343 is about 380.9425884197.

Adding to 55281343 its reverse (34318255), we get a palindrome (89599598).

The spelling of 55281343 in words is "fifty-five million, two hundred eighty-one thousand, three hundred forty-three".