53417582447 has 2 divisors, whose sum is σ = 53417582448. Its totient is φ = 53417582446.

The previous prime is 53417582441. The next prime is 53417582459. The reversal of 53417582447 is 74428571435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53417582447 - 2¹² = 53417578351 is a prime.

It is a super-2 number, since 2×53417582447² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53417582395 and 53417582404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53417582441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26708791223 + 26708791224.

It is an arithmetic number, because the mean of its divisors is an integer number (26708791224).

Almost surely, 2^53417582447 is an apocalyptic number.

53417582447 is a deficient number, since it is larger than the sum of its proper divisors (1).

53417582447 is an equidigital number, since it uses as much as digits as its factorization.

53417582447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3763200, while the sum is 50.

The spelling of 53417582447 in words is "fifty-three billion, four hundred seventeen million, five hundred eighty-two thousand, four hundred forty-seven".