55459143 has 6 divisors (see below), whose sum is σ = 80107664. Its totient is φ = 36972756.

The previous prime is 55459123. The next prime is 55459171. The reversal of 55459143 is 34195455.

It is not a de Polignac number, because 55459143 - 2¹⁰ = 55458119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55459098 and 55459107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55459123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3081055 + ... + 3081072.

Almost surely, 2^55459143 is an apocalyptic number.

55459143 is a deficient number, since it is larger than the sum of its proper divisors (24648521).

55459143 is a wasteful number, since it uses less digits than its factorization.

55459143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6162133 (or 6162130 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 55459143 is about 7447.0895657297. The cubic root of 55459143 is about 381.3505567235.

The spelling of 55459143 in words is "fifty-five million, four hundred fifty-nine thousand, one hundred forty-three".