53320570829 has 2 divisors, whose sum is σ = 53320570830. Its totient is φ = 53320570828.

The previous prime is 53320570777. The next prime is 53320570837. The reversal of 53320570829 is 92807502335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52636748329 + 683822500 = 229427^2 + 26150^2 .

It is a cyclic number.

It is not a de Polignac number, because 53320570829 - 2²⁸ = 53052135373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53320570829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53320530829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26660285414 + 26660285415.

It is an arithmetic number, because the mean of its divisors is an integer number (26660285415).

Almost surely, 2^53320570829 is an apocalyptic number.

It is an amenable number.

53320570829 is a deficient number, since it is larger than the sum of its proper divisors (1).

53320570829 is an equidigital number, since it uses as much as digits as its factorization.

53320570829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 53320570829 in words is "fifty-three billion, three hundred twenty million, five hundred seventy thousand, eight hundred twenty-nine".