55116343 has 4 divisors (see below), whose sum is σ = 56156328. Its totient is φ = 54076360.

The previous prime is 55116323. The next prime is 55116401. The reversal of 55116343 is 34361155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34361155 = 5 ⋅6872231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55116343 is a prime.

It is a super-2 number, since 2×55116343² = 6075622531387298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55116323) 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 3 ways as a sum of consecutive naturals, for example, 519913 + ... + 520018.

It is an arithmetic number, because the mean of its divisors is an integer number (14039082).

Almost surely, 2^55116343 is an apocalyptic number.

55116343 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

55116343 is a deficient number, since it is larger than the sum of its proper divisors (1039985).

55116343 is a wasteful number, since it uses less digits than its factorization.

55116343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039984.

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

The square root of 55116343 is about 7424.0381868630. The cubic root of 55116343 is about 380.5632068585.

Adding to 55116343 its reverse (34361155), we get a palindrome (89477498).

The spelling of 55116343 in words is "fifty-five million, one hundred sixteen thousand, three hundred forty-three".