54876244140197 has 2 divisors, whose sum is σ = 54876244140198. Its totient is φ = 54876244140196.

The previous prime is 54876244140167. The next prime is 54876244140259. The reversal of 54876244140197 is 79104144267845.

54876244140197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (54876244140259) can be obtained adding 54876244140197 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41464249647076 + 13411994493121 = 6439274^2 + 3662239^2 .

It is a cyclic number.

It is not a de Polignac number, because 54876244140197 - 2¹⁰ = 54876244139173 is a prime.

It is a super-2 number, since 2×54876244140197² (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 (54876244140167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27438122070098 + 27438122070099.

It is an arithmetic number, because the mean of its divisors is an integer number (27438122070099).

Almost surely, 2^{54876244140197} is an apocalyptic number.

It is an amenable number.

54876244140197 is a deficient number, since it is larger than the sum of its proper divisors (1).

54876244140197 is an equidigital number, since it uses as much as digits as its factorization.

54876244140197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54190080, while the sum is 62.

The spelling of 54876244140197 in words is "fifty-four trillion, eight hundred seventy-six billion, two hundred forty-four million, one hundred forty thousand, one hundred ninety-seven".