54166350461 has 2 divisors, whose sum is σ = 54166350462. Its totient is φ = 54166350460.

The previous prime is 54166350457. The next prime is 54166350463. The reversal of 54166350461 is 16405366145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52135045561 + 2031304900 = 228331^2 + 45070^2 .

It is a cyclic number.

It is not a de Polignac number, because 54166350461 - 2² = 54166350457 is a prime.

Together with 54166350463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54166350463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27083175230 + 27083175231.

It is an arithmetic number, because the mean of its divisors is an integer number (27083175231).

Almost surely, 2^54166350461 is an apocalyptic number.

It is an amenable number.

54166350461 is a deficient number, since it is larger than the sum of its proper divisors (1).

54166350461 is an equidigital number, since it uses as much as digits as its factorization.

54166350461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 54166350461 in words is "fifty-four billion, one hundred sixty-six million, three hundred fifty thousand, four hundred sixty-one".