54231739 has 2 divisors, whose sum is σ = 54231740. Its totient is φ = 54231738.

The previous prime is 54231731. The next prime is 54231761. The reversal of 54231739 is 93713245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54231739 - 2³ = 54231731 is a prime.

It is not a weakly prime, because it can be changed into another prime (54231731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27115869 + 27115870.

It is an arithmetic number, because the mean of its divisors is an integer number (27115870).

Almost surely, 2^54231739 is an apocalyptic number.

54231739 is a deficient number, since it is larger than the sum of its proper divisors (1).

54231739 is an equidigital number, since it uses as much as digits as its factorization.

54231739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 54231739 is about 7364.2201895381. The cubic root of 54231739 is about 378.5162338084.

The spelling of 54231739 in words is "fifty-four million, two hundred thirty-one thousand, seven hundred thirty-nine".