54100505356973 has 2 divisors, whose sum is σ = 54100505356974. Its totient is φ = 54100505356972.

The previous prime is 54100505356967. The next prime is 54100505356993. The reversal of 54100505356973 is 37965350500145.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50823254095849 + 3277251261124 = 7129043^2 + 1810318^2 .

It is a cyclic number.

It is not a de Polignac number, because 54100505356973 - 2³⁸ = 53825627450029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54100505356903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27050252678486 + 27050252678487.

It is an arithmetic number, because the mean of its divisors is an integer number (27050252678487).

Almost surely, 2^{54100505356973} is an apocalyptic number.

It is an amenable number.

54100505356973 is a deficient number, since it is larger than the sum of its proper divisors (1).

54100505356973 is an equidigital number, since it uses as much as digits as its factorization.

54100505356973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8505000, while the sum is 53.

The spelling of 54100505356973 in words is "fifty-four trillion, one hundred billion, five hundred five million, three hundred fifty-six thousand, nine hundred seventy-three".