55590343 has 2 divisors, whose sum is σ = 55590344. Its totient is φ = 55590342.

The previous prime is 55590341. The next prime is 55590377. The reversal of 55590343 is 34309555.

It is a happy number.

It is an a-pointer prime, because the next prime (55590377) can be obtained adding 55590343 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55590343 - 2¹ = 55590341 is a prime.

Together with 55590341, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 55590299 and 55590308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55590341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27795171 + 27795172.

It is an arithmetic number, because the mean of its divisors is an integer number (27795172).

Almost surely, 2^55590343 is an apocalyptic number.

55590343 is a deficient number, since it is larger than the sum of its proper divisors (1).

55590343 is an equidigital number, since it uses as much as digits as its factorization.

55590343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 55590343 is about 7455.8931725180. The cubic root of 55590343 is about 381.6510409329.

Adding to 55590343 its reverse (34309555), we get a palindrome (89899898).

The spelling of 55590343 in words is "fifty-five million, five hundred ninety thousand, three hundred forty-three".