54142943 has 16 divisors (see below), whose sum is σ = 60860160. Its totient is φ = 47895936.

The previous prime is 54142939. The next prime is 54142981. The reversal of 54142943 is 34924145.

It is not a de Polignac number, because 54142943 - 2² = 54142939 is a prime.

It is a super-3 number, since 3×54142943³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54142993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21896 + ... + 24242.

It is an arithmetic number, because the mean of its divisors is an integer number (3803760).

Almost surely, 2^54142943 is an apocalyptic number.

54142943 is a deficient number, since it is larger than the sum of its proper divisors (6717217).

54142943 is a wasteful number, since it uses less digits than its factorization.

54142943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446.

The product of its digits is 17280, while the sum is 32.

The square root of 54142943 is about 7358.1888396534. The cubic root of 54142943 is about 378.3095338886.

The spelling of 54142943 in words is "fifty-four million, one hundred forty-two thousand, nine hundred forty-three".