54444246239 has 2 divisors, whose sum is σ = 54444246240. Its totient is φ = 54444246238.

The previous prime is 54444246221. The next prime is 54444246281. The reversal of 54444246239 is 93264244445.

It is a happy number.

54444246239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54444246239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54444246193 and 54444246202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54444246139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27222123119 + 27222123120.

It is an arithmetic number, because the mean of its divisors is an integer number (27222123120).

Almost surely, 2^54444246239 is an apocalyptic number.

54444246239 is a deficient number, since it is larger than the sum of its proper divisors (1).

54444246239 is an equidigital number, since it uses as much as digits as its factorization.

54444246239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3317760, while the sum is 47.

The spelling of 54444246239 in words is "fifty-four billion, four hundred forty-four million, two hundred forty-six thousand, two hundred thirty-nine".