53444135422 has 8 divisors (see below), whose sum is σ = 80389508400. Its totient is φ = 26647632624.

The previous prime is 53444135419. The next prime is 53444135471. The reversal of 53444135422 is 22453144435.

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

It is a super-3 number, since 3×53444135422³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 37216647 + ... + 37218082.

It is an arithmetic number, because the mean of its divisors is an integer number (10048688550).

Almost surely, 2^53444135422 is an apocalyptic number.

53444135422 is a deficient number, since it is larger than the sum of its proper divisors (26945372978).

53444135422 is a wasteful number, since it uses less digits than its factorization.

53444135422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74435090.

The product of its digits is 230400, while the sum is 37.

Adding to 53444135422 its reverse (22453144435), we get a palindrome (75897279857).

The spelling of 53444135422 in words is "fifty-three billion, four hundred forty-four million, one hundred thirty-five thousand, four hundred twenty-two".