51523332529 has 2 divisors, whose sum is σ = 51523332530. Its totient is φ = 51523332528.

The previous prime is 51523332457. The next prime is 51523332547. The reversal of 51523332529 is 92523332515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38581994929 + 12941337600 = 196423^2 + 113760^2 .

It is a cyclic number.

It is not a de Polignac number, because 51523332529 - 2²⁷ = 51389114801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51523332491 and 51523332500.

It is not a weakly prime, because it can be changed into another prime (51523332559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25761666264 + 25761666265.

It is an arithmetic number, because the mean of its divisors is an integer number (25761666265).

Almost surely, 2^51523332529 is an apocalyptic number.

It is an amenable number.

51523332529 is a deficient number, since it is larger than the sum of its proper divisors (1).

51523332529 is an equidigital number, since it uses as much as digits as its factorization.

51523332529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 243000, while the sum is 40.

The spelling of 51523332529 in words is "fifty-one billion, five hundred twenty-three million, three hundred thirty-two thousand, five hundred twenty-nine".