55662043 has 2 divisors, whose sum is σ = 55662044. Its totient is φ = 55662042.

The previous prime is 55662017. The next prime is 55662067. The reversal of 55662043 is 34026655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55662043 - 2⁹ = 55661531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55661996 and 55662014.

It is not a weakly prime, because it can be changed into another prime (55662643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27831021 + 27831022.

It is an arithmetic number, because the mean of its divisors is an integer number (27831022).

Almost surely, 2^55662043 is an apocalyptic number.

55662043 is a deficient number, since it is larger than the sum of its proper divisors (1).

55662043 is an equidigital number, since it uses as much as digits as its factorization.

55662043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 55662043 is about 7460.6999001434. The cubic root of 55662043 is about 381.8150539718.

Adding to 55662043 its reverse (34026655), we get a palindrome (89688698).

The spelling of 55662043 in words is "fifty-five million, six hundred sixty-two thousand, forty-three".