53399553589 has 2 divisors, whose sum is σ = 53399553590. Its totient is φ = 53399553588.

The previous prime is 53399553563. The next prime is 53399553653. The reversal of 53399553589 is 98535599335.

It is an a-pointer prime, because the next prime (53399553653) can be obtained adding 53399553589 to its sum of digits (64).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52242873489 + 1156680100 = 228567^2 + 34010^2 .

It is a cyclic number.

It is not a de Polignac number, because 53399553589 - 2⁷ = 53399553461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53399553589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53399553539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26699776794 + 26699776795.

It is an arithmetic number, because the mean of its divisors is an integer number (26699776795).

Almost surely, 2^53399553589 is an apocalyptic number.

It is an amenable number.

53399553589 is a deficient number, since it is larger than the sum of its proper divisors (1).

53399553589 is an equidigital number, since it uses as much as digits as its factorization.

53399553589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98415000, while the sum is 64.

The spelling of 53399553589 in words is "fifty-three billion, three hundred ninety-nine million, five hundred fifty-three thousand, five hundred eighty-nine".