53534650447 has 2 divisors, whose sum is σ = 53534650448. Its totient is φ = 53534650446.

The previous prime is 53534650381. The next prime is 53534650489. The reversal of 53534650447 is 74405643535.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53534650447 - 2⁷ = 53534650319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53534650397 and 53534650406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53534630447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26767325223 + 26767325224.

It is an arithmetic number, because the mean of its divisors is an integer number (26767325224).

Almost surely, 2^53534650447 is an apocalyptic number.

53534650447 is a deficient number, since it is larger than the sum of its proper divisors (1).

53534650447 is an equidigital number, since it uses as much as digits as its factorization.

53534650447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024000, while the sum is 46.

The spelling of 53534650447 in words is "fifty-three billion, five hundred thirty-four million, six hundred fifty thousand, four hundred forty-seven".