54012431257 has 2 divisors, whose sum is σ = 54012431258. Its totient is φ = 54012431256.

The previous prime is 54012431227. The next prime is 54012431269. The reversal of 54012431257 is 75213421045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49916943241 + 4095488016 = 223421^2 + 63996^2 .

It is a cyclic number.

It is not a de Polignac number, because 54012431257 - 2¹⁹ = 54011906969 is a prime.

It is not a weakly prime, because it can be changed into another prime (54012431227) 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, 27006215628 + 27006215629.

It is an arithmetic number, because the mean of its divisors is an integer number (27006215629).

Almost surely, 2^54012431257 is an apocalyptic number.

It is an amenable number.

54012431257 is a deficient number, since it is larger than the sum of its proper divisors (1).

54012431257 is an equidigital number, since it uses as much as digits as its factorization.

54012431257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 54012431257 in words is "fifty-four billion, twelve million, four hundred thirty-one thousand, two hundred fifty-seven".