54108405761 has 2 divisors, whose sum is σ = 54108405762. Its totient is φ = 54108405760.

The previous prime is 54108405719. The next prime is 54108405781. The reversal of 54108405761 is 16750480145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42748043536 + 11360362225 = 206756^2 + 106585^2 .

It is a cyclic number.

It is not a de Polignac number, because 54108405761 - 2²² = 54104211457 is a prime.

It is not a weakly prime, because it can be changed into another prime (54108405781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27054202880 + 27054202881.

It is an arithmetic number, because the mean of its divisors is an integer number (27054202881).

Almost surely, 2^54108405761 is an apocalyptic number.

It is an amenable number.

54108405761 is a deficient number, since it is larger than the sum of its proper divisors (1).

54108405761 is an equidigital number, since it uses as much as digits as its factorization.

54108405761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 54108405761 in words is "fifty-four billion, one hundred eight million, four hundred five thousand, seven hundred sixty-one".