54676943999 has 2 divisors, whose sum is σ = 54676944000. Its totient is φ = 54676943998.

The previous prime is 54676943989. The next prime is 54676944001. The reversal of 54676943999 is 99934967645.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54676943999 is a prime.

It is a super-2 number, since 2×54676943999² (a number of 22 digits) contains 22 as substring.

Together with 54676944001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54676943939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27338471999 + 27338472000.

It is an arithmetic number, because the mean of its divisors is an integer number (27338472000).

Almost surely, 2^54676943999 is an apocalyptic number.

54676943999 is a deficient number, since it is larger than the sum of its proper divisors (1).

54676943999 is an equidigital number, since it uses as much as digits as its factorization.

54676943999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 396809280, while the sum is 71.

The spelling of 54676943999 in words is "fifty-four billion, six hundred seventy-six million, nine hundred forty-three thousand, nine hundred ninety-nine".