53517487122 has 54 divisors (see below), whose sum is σ = 127479897909. Its totient is φ = 16214148720.

The previous prime is 53517487097. The next prime is 53517487123. The reversal of 53517487122 is 22178471535.

53517487122 is a `hidden beast` number, since 5 + 3 + 517 + 4 + 8 + 7 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45967788801 + 7549698321 = 214401^2 + 86889^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=163581.

It is not an unprimeable number, because it can be changed into a prime (53517487123) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10793868 + ... + 10798824.

Almost surely, 2^53517487122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53517487122

53517487122 is an abundant number, since it is smaller than the sum of its proper divisors (73962410787).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53517487122 is an equidigital number, since it uses as much as digits as its factorization.

53517487122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9944 (or 4973 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The spelling of 53517487122 in words is "fifty-three billion, five hundred seventeen million, four hundred eighty-seven thousand, one hundred twenty-two".