53281238205 has 64 divisors (see below), whose sum is σ = 99251792640. Its totient is φ = 24178507776.

The previous prime is 53281238203. The next prime is 53281238261. The reversal of 53281238205 is 50283218235.

It is not a de Polignac number, because 53281238205 - 2¹ = 53281238203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53281238203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57252 + ... + 331421.

It is an arithmetic number, because the mean of its divisors is an integer number (1550809260).

Almost surely, 2^53281238205 is an apocalyptic number.

It is an amenable number.

53281238205 is a deficient number, since it is larger than the sum of its proper divisors (45970554435).

53281238205 is a wasteful number, since it uses less digits than its factorization.

53281238205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388750.

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 53281238205 in words is "fifty-three billion, two hundred eighty-one million, two hundred thirty-eight thousand, two hundred five".