54975143 has 4 divisors (see below), whose sum is σ = 55251600. Its totient is φ = 54698688.

The previous prime is 54975119. The next prime is 54975149. The reversal of 54975143 is 34157945.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54975143 - 2¹⁴ = 54958759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54975097 and 54975106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54975149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137930 + ... + 138327.

It is an arithmetic number, because the mean of its divisors is an integer number (13812900).

Almost surely, 2^54975143 is an apocalyptic number.

54975143 is a deficient number, since it is larger than the sum of its proper divisors (276457).

54975143 is a wasteful number, since it uses less digits than its factorization.

54975143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276456.

The product of its digits is 75600, while the sum is 38.

The square root of 54975143 is about 7414.5224391056. The cubic root of 54975143 is about 380.2379465406.

The spelling of 54975143 in words is "fifty-four million, nine hundred seventy-five thousand, one hundred forty-three".