55836043 has 2 divisors, whose sum is σ = 55836044. Its totient is φ = 55836042.

The previous prime is 55836037. The next prime is 55836089. The reversal of 55836043 is 34063855.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55836043 is a prime.

It is not a weakly prime, because it can be changed into another prime (55836023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27918021 + 27918022.

It is an arithmetic number, because the mean of its divisors is an integer number (27918022).

Almost surely, 2^55836043 is an apocalyptic number.

55836043 is a deficient number, since it is larger than the sum of its proper divisors (1).

55836043 is an equidigital number, since it uses as much as digits as its factorization.

55836043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 55836043 is about 7472.3519055248. The cubic root of 55836043 is about 382.2124924505.

Adding to 55836043 its reverse (34063855), we get a palindrome (89899898).

The spelling of 55836043 in words is "fifty-five million, eight hundred thirty-six thousand, forty-three".