53523628439 has 2 divisors, whose sum is σ = 53523628440. Its totient is φ = 53523628438.

The previous prime is 53523628381. The next prime is 53523628451. The reversal of 53523628439 is 93482632535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53523628439 - 2⁸ = 53523628183 is a prime.

It is a super-2 number, since 2×53523628439² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53523628139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26761814219 + 26761814220.

It is an arithmetic number, because the mean of its divisors is an integer number (26761814220).

Almost surely, 2^53523628439 is an apocalyptic number.

53523628439 is a deficient number, since it is larger than the sum of its proper divisors (1).

53523628439 is an equidigital number, since it uses as much as digits as its factorization.

53523628439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 50.

The spelling of 53523628439 in words is "fifty-three billion, five hundred twenty-three million, six hundred twenty-eight thousand, four hundred thirty-nine".