53045905668 has 96 divisors (see below), whose sum is σ = 150574233600. Its totient is φ = 14196923136.

The previous prime is 53045905667. The next prime is 53045905691. The reversal of 53045905668 is 86650954035.

It is a self number, because there is not a number n which added to its sum of digits gives 53045905668.

It is not an unprimeable number, because it can be changed into a prime (53045905663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44680 + ... + 328767.

It is an arithmetic number, because the mean of its divisors is an integer number (1568481600).

Almost surely, 2^53045905668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53045905668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75287116800).

53045905668 is an abundant number, since it is smaller than the sum of its proper divisors (97528327932).

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

53045905668 is a wasteful number, since it uses less digits than its factorization.

53045905668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373569 (or 373567 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 53045905668 in words is "fifty-three billion, forty-five million, nine hundred five thousand, six hundred sixty-eight".