53534542447 has 2 divisors, whose sum is σ = 53534542448. Its totient is φ = 53534542446.

The previous prime is 53534542441. The next prime is 53534542459. The reversal of 53534542447 is 74424543535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53534542447 - 2³⁵ = 19174804079 is a prime.

It is a super-3 number, since 3×53534542447³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53534542397 and 53534542406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53534542441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26767271223 + 26767271224.

It is an arithmetic number, because the mean of its divisors is an integer number (26767271224).

Almost surely, 2^53534542447 is an apocalyptic number.

53534542447 is a deficient number, since it is larger than the sum of its proper divisors (1).

53534542447 is an equidigital number, since it uses as much as digits as its factorization.

53534542447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032000, while the sum is 46.

The spelling of 53534542447 in words is "fifty-three billion, five hundred thirty-four million, five hundred forty-two thousand, four hundred forty-seven".