51322544513423 has 2 divisors, whose sum is σ = 51322544513424. Its totient is φ = 51322544513422.

The previous prime is 51322544513419. The next prime is 51322544513437. The reversal of 51322544513423 is 32431544522315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51322544513423 - 2² = 51322544513419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51322544513473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25661272256711 + 25661272256712.

It is an arithmetic number, because the mean of its divisors is an integer number (25661272256712).

Almost surely, 2^{51322544513423} is an apocalyptic number.

51322544513423 is a deficient number, since it is larger than the sum of its proper divisors (1).

51322544513423 is an equidigital number, since it uses as much as digits as its factorization.

51322544513423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728000, while the sum is 44.

The spelling of 51322544513423 in words is "fifty-one trillion, three hundred twenty-two billion, five hundred forty-four million, five hundred thirteen thousand, four hundred twenty-three".