54403719911 has 2 divisors, whose sum is σ = 54403719912. Its totient is φ = 54403719910.

The previous prime is 54403719883. The next prime is 54403719943. The reversal of 54403719911 is 11991730445.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54403719911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54403713911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27201859955 + 27201859956.

It is an arithmetic number, because the mean of its divisors is an integer number (27201859956).

Almost surely, 2^54403719911 is an apocalyptic number.

54403719911 is a deficient number, since it is larger than the sum of its proper divisors (1).

54403719911 is an equidigital number, since it uses as much as digits as its factorization.

54403719911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 54403719911 in words is "fifty-four billion, four hundred three million, seven hundred nineteen thousand, nine hundred eleven".