53816517418 has 8 divisors (see below), whose sum is σ = 80757034848. Its totient is φ = 26897505804.

The previous prime is 53816517323. The next prime is 53816517481. The reversal of 53816517418 is 81471561835.

It is a happy number.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5370196 + ... + 5380207.

It is an arithmetic number, because the mean of its divisors is an integer number (10094629356).

Almost surely, 2^53816517418 is an apocalyptic number.

53816517418 is a deficient number, since it is larger than the sum of its proper divisors (26940517430).

53816517418 is a wasteful number, since it uses less digits than its factorization.

53816517418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10752908.

The product of its digits is 806400, while the sum is 49.

The spelling of 53816517418 in words is "fifty-three billion, eight hundred sixteen million, five hundred seventeen thousand, four hundred eighteen".