54761827693 has 2 divisors, whose sum is σ = 54761827694. Its totient is φ = 54761827692.

The previous prime is 54761827691. The next prime is 54761827699. The reversal of 54761827693 is 39672816745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49817347204 + 4944480489 = 223198^2 + 70317^2 .

It is a cyclic number.

It is not a de Polignac number, because 54761827693 - 2¹ = 54761827691 is a prime.

Together with 54761827691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54761827691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27380913846 + 27380913847.

It is an arithmetic number, because the mean of its divisors is an integer number (27380913847).

Almost surely, 2^54761827693 is an apocalyptic number.

It is an amenable number.

54761827693 is a deficient number, since it is larger than the sum of its proper divisors (1).

54761827693 is an equidigital number, since it uses as much as digits as its factorization.

54761827693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 58.

The spelling of 54761827693 in words is "fifty-four billion, seven hundred sixty-one million, eight hundred twenty-seven thousand, six hundred ninety-three".