53689484738 has 8 divisors (see below), whose sum is σ = 82053740988. Its totient is φ = 26338237744.

The previous prime is 53689484701. The next prime is 53689484743. The reversal of 53689484738 is 83748498635.

It can be written as a sum of positive squares in 2 ways, for example, as 42196143889 + 11493340849 = 205417^2 + 107207^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253252181 + ... + 253252392.

Almost surely, 2^53689484738 is an apocalyptic number.

53689484738 is a deficient number, since it is larger than the sum of its proper divisors (28364256250).

53689484738 is a wasteful number, since it uses less digits than its factorization.

53689484738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506504628.

The product of its digits is 139345920, while the sum is 65.

The spelling of 53689484738 in words is "fifty-three billion, six hundred eighty-nine million, four hundred eighty-four thousand, seven hundred thirty-eight".