53258324728 has 64 divisors (see below), whose sum is σ = 119745400320. Its totient is φ = 21711888000.

The previous prime is 53258324701. The next prime is 53258324731. The reversal of 53258324728 is 82742385235.

53258324728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118903 + ... + 347353.

It is an arithmetic number, because the mean of its divisors is an integer number (1871021880).

Almost surely, 2^53258324728 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 53258324728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59872700160).

53258324728 is an abundant number, since it is smaller than the sum of its proper divisors (66487075592).

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

53258324728 is a wasteful number, since it uses less digits than its factorization.

53258324728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228668 (or 228664 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 49.

The spelling of 53258324728 in words is "fifty-three billion, two hundred fifty-eight million, three hundred twenty-four thousand, seven hundred twenty-eight".