53553113447 has 2 divisors, whose sum is σ = 53553113448. Its totient is φ = 53553113446.

The previous prime is 53553113443. The next prime is 53553113501. The reversal of 53553113447 is 74431135535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53553113447 - 2² = 53553113443 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53553113443) 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, 26776556723 + 26776556724.

It is an arithmetic number, because the mean of its divisors is an integer number (26776556724).

Almost surely, 2^53553113447 is an apocalyptic number.

53553113447 is a deficient number, since it is larger than the sum of its proper divisors (1).

53553113447 is an equidigital number, since it uses as much as digits as its factorization.

53553113447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 41.

The spelling of 53553113447 in words is "fifty-three billion, five hundred fifty-three million, one hundred thirteen thousand, four hundred forty-seven".