53255389699 has 2 divisors, whose sum is σ = 53255389700. Its totient is φ = 53255389698.

The previous prime is 53255389661. The next prime is 53255389729. The reversal of 53255389699 is 99698355235.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53255389699 - 2³¹ = 51107906051 is a prime.

It is a super-2 number, since 2×53255389699² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53255389699.

It is not a weakly prime, because it can be changed into another prime (53255387699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26627694849 + 26627694850.

It is an arithmetic number, because the mean of its divisors is an integer number (26627694850).

Almost surely, 2^53255389699 is an apocalyptic number.

53255389699 is a deficient number, since it is larger than the sum of its proper divisors (1).

53255389699 is an equidigital number, since it uses as much as digits as its factorization.

53255389699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78732000, while the sum is 64.

The spelling of 53255389699 in words is "fifty-three billion, two hundred fifty-five million, three hundred eighty-nine thousand, six hundred ninety-nine".