54210214517 has 2 divisors, whose sum is σ = 54210214518. Its totient is φ = 54210214516.

The previous prime is 54210214511. The next prime is 54210214537. The reversal of 54210214517 is 71541201245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47262325201 + 6947889316 = 217399^2 + 83354^2 .

It is a cyclic number.

It is not a de Polignac number, because 54210214517 - 2²⁸ = 53941779061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54210214511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27105107258 + 27105107259.

It is an arithmetic number, because the mean of its divisors is an integer number (27105107259).

Almost surely, 2^54210214517 is an apocalyptic number.

It is an amenable number.

54210214517 is a deficient number, since it is larger than the sum of its proper divisors (1).

54210214517 is an equidigital number, since it uses as much as digits as its factorization.

54210214517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 32.

The spelling of 54210214517 in words is "fifty-four billion, two hundred ten million, two hundred fourteen thousand, five hundred seventeen".