55046143 has 2 divisors, whose sum is σ = 55046144. Its totient is φ = 55046142.

The previous prime is 55046093. The next prime is 55046177. The reversal of 55046143 is 34164055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55046143 - 2¹³ = 55037951 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55046183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27523071 + 27523072.

It is an arithmetic number, because the mean of its divisors is an integer number (27523072).

Almost surely, 2^55046143 is an apocalyptic number.

55046143 is a deficient number, since it is larger than the sum of its proper divisors (1).

55046143 is an equidigital number, since it uses as much as digits as its factorization.

55046143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 55046143 is about 7419.3087952989. The cubic root of 55046143 is about 380.4015676426.

The spelling of 55046143 in words is "fifty-five million, forty-six thousand, one hundred forty-three".