54131051369 has 2 divisors, whose sum is σ = 54131051370. Its totient is φ = 54131051368.

The previous prime is 54131051339. The next prime is 54131051413. The reversal of 54131051369 is 96315013145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54130675600 + 375769 = 232660^2 + 613^2 .

It is a cyclic number.

It is not a de Polignac number, because 54131051369 - 2⁸ = 54131051113 is a prime.

It is a super-2 number, since 2×54131051369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54131051339) 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, 27065525684 + 27065525685.

It is an arithmetic number, because the mean of its divisors is an integer number (27065525685).

Almost surely, 2^54131051369 is an apocalyptic number.

It is an amenable number.

54131051369 is a deficient number, since it is larger than the sum of its proper divisors (1).

54131051369 is an equidigital number, since it uses as much as digits as its factorization.

54131051369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 54131051369 in words is "fifty-four billion, one hundred thirty-one million, fifty-one thousand, three hundred sixty-nine".