54095213257 has 2 divisors, whose sum is σ = 54095213258. Its totient is φ = 54095213256.

The previous prime is 54095213197. The next prime is 54095213261. The reversal of 54095213257 is 75231259045.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48459858496 + 5635354761 = 220136^2 + 75069^2 .

It is a cyclic number.

It is not a de Polignac number, because 54095213257 - 2¹⁹ = 54094688969 is a prime.

It is not a weakly prime, because it can be changed into another prime (54095213057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27047606628 + 27047606629.

It is an arithmetic number, because the mean of its divisors is an integer number (27047606629).

Almost surely, 2^54095213257 is an apocalyptic number.

It is an amenable number.

54095213257 is a deficient number, since it is larger than the sum of its proper divisors (1).

54095213257 is an equidigital number, since it uses as much as digits as its factorization.

54095213257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 54095213257 in words is "fifty-four billion, ninety-five million, two hundred thirteen thousand, two hundred fifty-seven".