51455164367 has 2 divisors, whose sum is σ = 51455164368. Its totient is φ = 51455164366.

The previous prime is 51455164339. The next prime is 51455164441. The reversal of 51455164367 is 76346155415.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51455164367 - 2¹⁰ = 51455163343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51455164567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25727582183 + 25727582184.

It is an arithmetic number, because the mean of its divisors is an integer number (25727582184).

Almost surely, 2^51455164367 is an apocalyptic number.

51455164367 is a deficient number, since it is larger than the sum of its proper divisors (1).

51455164367 is an equidigital number, since it uses as much as digits as its factorization.

51455164367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 47.

The spelling of 51455164367 in words is "fifty-one billion, four hundred fifty-five million, one hundred sixty-four thousand, three hundred sixty-seven".