54648739 has 2 divisors, whose sum is σ = 54648740. Its totient is φ = 54648738.

The previous prime is 54648719. The next prime is 54648757. The reversal of 54648739 is 93784645.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54648739 - 2¹⁵ = 54615971 is a prime.

It is not a weakly prime, because it can be changed into another prime (54648709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27324369 + 27324370.

It is an arithmetic number, because the mean of its divisors is an integer number (27324370).

Almost surely, 2^54648739 is an apocalyptic number.

54648739 is a deficient number, since it is larger than the sum of its proper divisors (1).

54648739 is an equidigital number, since it uses as much as digits as its factorization.

54648739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 54648739 is about 7392.4785424105. The cubic root of 54648739 is about 379.4839231653.

The spelling of 54648739 in words is "fifty-four million, six hundred forty-eight thousand, seven hundred thirty-nine".