54145943 has 2 divisors, whose sum is σ = 54145944. Its totient is φ = 54145942.

The previous prime is 54145937. The next prime is 54145951. The reversal of 54145943 is 34954145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54145943 - 2¹⁰ = 54144919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54145043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27072971 + 27072972.

It is an arithmetic number, because the mean of its divisors is an integer number (27072972).

Almost surely, 2^54145943 is an apocalyptic number.

54145943 is a deficient number, since it is larger than the sum of its proper divisors (1).

54145943 is an equidigital number, since it uses as much as digits as its factorization.

54145943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 54145943 is about 7358.3926913423. The cubic root of 54145943 is about 378.3165209958.

The spelling of 54145943 in words is "fifty-four million, one hundred forty-five thousand, nine hundred forty-three".