52279756457 has 2 divisors, whose sum is σ = 52279756458. Its totient is φ = 52279756456.

The previous prime is 52279756439. The next prime is 52279756471. The reversal of 52279756457 is 75465797225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41188296601 + 11091459856 = 202949^2 + 105316^2 .

It is a cyclic number.

It is not a de Polignac number, because 52279756457 - 2¹² = 52279752361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52279756396 and 52279756405.

It is not a weakly prime, because it can be changed into another prime (52279758457) 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, 26139878228 + 26139878229.

It is an arithmetic number, because the mean of its divisors is an integer number (26139878229).

Almost surely, 2^52279756457 is an apocalyptic number.

It is an amenable number.

52279756457 is a deficient number, since it is larger than the sum of its proper divisors (1).

52279756457 is an equidigital number, since it uses as much as digits as its factorization.

52279756457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37044000, while the sum is 59.

The spelling of 52279756457 in words is "fifty-two billion, two hundred seventy-nine million, seven hundred fifty-six thousand, four hundred fifty-seven".