53281850399 has 8 divisors (see below), whose sum is σ = 53531992800. Its totient is φ = 53032224736.

The previous prime is 53281850371. The next prime is 53281850417. The reversal of 53281850399 is 99305818235.

53281850399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53281850399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53281850399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53281810399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78302 + ... + 335700.

It is an arithmetic number, because the mean of its divisors is an integer number (6691499100).

Almost surely, 2^53281850399 is an apocalyptic number.

53281850399 is a deficient number, since it is larger than the sum of its proper divisors (250142401).

53281850399 is a wasteful number, since it uses less digits than its factorization.

53281850399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258369.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 53281850399 in words is "fifty-three billion, two hundred eighty-one million, eight hundred fifty thousand, three hundred ninety-nine".