53869649028 has 96 divisors (see below), whose sum is σ = 145054820736. Its totient is φ = 15412242432.

The previous prime is 53869649027. The next prime is 53869649033. The reversal of 53869649028 is 82094696835.

It is not an unprimeable number, because it can be changed into a prime (53869649023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97750 + ... + 342482.

It is an arithmetic number, because the mean of its divisors is an integer number (1510987716).

Almost surely, 2^53869649028 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 53869649028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72527410368).

53869649028 is an abundant number, since it is smaller than the sum of its proper divisors (91185171708).

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

53869649028 is a wasteful number, since it uses less digits than its factorization.

53869649028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244853 (or 244851 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 53869649028 in words is "fifty-three billion, eight hundred sixty-nine million, six hundred forty-nine thousand, twenty-eight".