55965043 has 2 divisors, whose sum is σ = 55965044. Its totient is φ = 55965042.

The previous prime is 55965029. The next prime is 55965047. The reversal of 55965043 is 34056955.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55965043 - 2⁵ = 55965011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55964993 and 55965011.

It is not a weakly prime, because it can be changed into another prime (55965047) 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, 27982521 + 27982522.

It is an arithmetic number, because the mean of its divisors is an integer number (27982522).

Almost surely, 2^55965043 is an apocalyptic number.

55965043 is a deficient number, since it is larger than the sum of its proper divisors (1).

55965043 is an equidigital number, since it uses as much as digits as its factorization.

55965043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 55965043 is about 7480.9787461267. The cubic root of 55965043 is about 382.5066124421.

The spelling of 55965043 in words is "fifty-five million, nine hundred sixty-five thousand, forty-three".