53240205353 has 4 divisors (see below), whose sum is σ = 54679129860. Its totient is φ = 51801280848.

The previous prime is 53240205323. The next prime is 53240205367. The reversal of 53240205353 is 35350204235.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38121781504 + 15118423849 = 195248^2 + 122957^2 .

It is a cyclic number.

It is not a de Polignac number, because 53240205353 - 2⁶ = 53240205289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53240205323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719462198 + ... + 719462271.

It is an arithmetic number, because the mean of its divisors is an integer number (13669782465).

Almost surely, 2^53240205353 is an apocalyptic number.

It is an amenable number.

53240205353 is a deficient number, since it is larger than the sum of its proper divisors (1438924507).

53240205353 is a wasteful number, since it uses less digits than its factorization.

53240205353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438924506.

The product of its (nonzero) digits is 54000, while the sum is 32.

Adding to 53240205353 its reverse (35350204235), we get a palindrome (88590409588).

The spelling of 53240205353 in words is "fifty-three billion, two hundred forty million, two hundred five thousand, three hundred fifty-three".