54742843 has 2 divisors, whose sum is σ = 54742844. Its totient is φ = 54742842.

The previous prime is 54742841. The next prime is 54742847. The reversal of 54742843 is 34824745.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54742843 - 2¹ = 54742841 is a prime.

Together with 54742841, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (54742841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27371421 + 27371422.

It is an arithmetic number, because the mean of its divisors is an integer number (27371422).

Almost surely, 2^54742843 is an apocalyptic number.

54742843 is a deficient number, since it is larger than the sum of its proper divisors (1).

54742843 is an equidigital number, since it uses as much as digits as its factorization.

54742843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 37.

The square root of 54742843 is about 7398.8406524266. The cubic root of 54742843 is about 379.7016194166.

The spelling of 54742843 in words is "fifty-four million, seven hundred forty-two thousand, eight hundred forty-three".