54775143 has 16 divisors (see below), whose sum is σ = 81388800. Its totient is φ = 36408600.

The previous prime is 54775141. The next prime is 54775153. The reversal of 54775143 is 34157745.

It is a happy number.

54775143 is a `hidden beast` number, since 547 + 75 + 1 + 43 = 666.

It is not a de Polignac number, because 54775143 - 2¹ = 54775141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54775098 and 54775107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54775141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6868 + ... + 12518.

It is an arithmetic number, because the mean of its divisors is an integer number (5086800).

Almost surely, 2^54775143 is an apocalyptic number.

54775143 is a deficient number, since it is larger than the sum of its proper divisors (26613657).

54775143 is a wasteful number, since it uses less digits than its factorization.

54775143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6019 (or 6013 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 54775143 is about 7401.0231049497. The cubic root of 54775143 is about 379.7762833684.

The spelling of 54775143 in words is "fifty-four million, seven hundred seventy-five thousand, one hundred forty-three".