54675786831779 has 2 divisors, whose sum is σ = 54675786831780. Its totient is φ = 54675786831778.

The previous prime is 54675786831773. The next prime is 54675786831859. The reversal of 54675786831779 is 97713868757645.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54675786831779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54675786831697 and 54675786831706.

It is not a weakly prime, because it can be changed into another prime (54675786831773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27337893415889 + 27337893415890.

It is an arithmetic number, because the mean of its divisors is an integer number (27337893415890).

Almost surely, 2^{54675786831779} is an apocalyptic number.

54675786831779 is a deficient number, since it is larger than the sum of its proper divisors (1).

54675786831779 is an equidigital number, since it uses as much as digits as its factorization.

54675786831779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14936140800, while the sum is 83.

The spelling of 54675786831779 in words is "fifty-four trillion, six hundred seventy-five billion, seven hundred eighty-six million, eight hundred thirty-one thousand, seven hundred seventy-nine".