51310574533 has 2 divisors, whose sum is σ = 51310574534. Its totient is φ = 51310574532.

The previous prime is 51310574521. The next prime is 51310574551. The reversal of 51310574533 is 33547501315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51266922084 + 43652449 = 226422^2 + 6607^2 .

It is a cyclic number.

It is not a de Polignac number, because 51310574533 - 2¹³ = 51310566341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51310574492 and 51310574501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51310574333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25655287266 + 25655287267.

It is an arithmetic number, because the mean of its divisors is an integer number (25655287267).

Almost surely, 2^51310574533 is an apocalyptic number.

It is an amenable number.

51310574533 is a deficient number, since it is larger than the sum of its proper divisors (1).

51310574533 is an equidigital number, since it uses as much as digits as its factorization.

51310574533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94500, while the sum is 37.

The spelling of 51310574533 in words is "fifty-one billion, three hundred ten million, five hundred seventy-four thousand, five hundred thirty-three".