53444343338 has 4 divisors (see below), whose sum is σ = 80166515010. Its totient is φ = 26722171668.

The previous prime is 53444343319. The next prime is 53444343343. The reversal of 53444343338 is 83334344435.

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

It can be written as a sum of positive squares in only one way, i.e., 42358990969 + 11085352369 = 205813^2 + 105287^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13361085833 + ... + 13361085836.

Almost surely, 2^53444343338 is an apocalyptic number.

53444343338 is a deficient number, since it is larger than the sum of its proper divisors (26722171672).

53444343338 is a wasteful number, since it uses less digits than its factorization.

53444343338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26722171671.

The product of its digits is 2488320, while the sum is 44.

The spelling of 53444343338 in words is "fifty-three billion, four hundred forty-four million, three hundred forty-three thousand, three hundred thirty-eight".