53259398802428 has 216 divisors, whose sum is σ = 120528883851264. Its totient is φ = 20513282025600.

The previous prime is 53259398802409. The next prime is 53259398802437. The reversal of 53259398802428 is 82420889395235.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 297264593 + ... + 297443703.

It is an arithmetic number, because the mean of its divisors is an integer number (558004091904).

Almost surely, 2^{53259398802428} 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 53259398802428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60264441925632).

53259398802428 is an abundant number, since it is smaller than the sum of its proper divisors (67269485048836).

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

53259398802428 is a wasteful number, since it uses less digits than its factorization.

53259398802428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179393 (or 179371 counting only the distinct ones).

The product of its (nonzero) digits is 298598400, while the sum is 68.

The spelling of 53259398802428 in words is "fifty-three trillion, two hundred fifty-nine billion, three hundred ninety-eight million, eight hundred two thousand, four hundred twenty-eight".