53098243866 has 48 divisors (see below), whose sum is σ = 121264827840. Its totient is φ = 16745218560.

The previous prime is 53098243859. The next prime is 53098243867. The reversal of 53098243866 is 66834289035.

53098243866 is a `hidden beast` number, since 530 + 9 + 8 + 2 + 43 + 8 + 66 = 666.

It is not an unprimeable number, because it can be changed into a prime (53098243867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149626 + ... + 358586.

It is an arithmetic number, because the mean of its divisors is an integer number (2526350580).

Almost surely, 2^53098243866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53098243866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60632413920).

53098243866 is an abundant number, since it is smaller than the sum of its proper divisors (68166583974).

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

53098243866 is a wasteful number, since it uses less digits than its factorization.

53098243866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209731 (or 209728 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 53098243866 in words is "fifty-three billion, ninety-eight million, two hundred forty-three thousand, eight hundred sixty-six".