54829566592781 has 2 divisors, whose sum is σ = 54829566592782. Its totient is φ = 54829566592780.

The previous prime is 54829566592777. The next prime is 54829566592789. The reversal of 54829566592781 is 18729566592845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32633124676681 + 22196441916100 = 5712541^2 + 4711310^2 .

It is a cyclic number.

It is not a de Polignac number, because 54829566592781 - 2² = 54829566592777 is a prime.

It is a super-2 number, since 2×54829566592781² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54829566592789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27414783296390 + 27414783296391.

It is an arithmetic number, because the mean of its divisors is an integer number (27414783296391).

Almost surely, 2^{54829566592781} is an apocalyptic number.

It is an amenable number.

54829566592781 is a deficient number, since it is larger than the sum of its proper divisors (1).

54829566592781 is an equidigital number, since it uses as much as digits as its factorization.

54829566592781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736000, while the sum is 77.

The spelling of 54829566592781 in words is "fifty-four trillion, eight hundred twenty-nine billion, five hundred sixty-six million, five hundred ninety-two thousand, seven hundred eighty-one".