53736985418 has 8 divisors (see below), whose sum is σ = 80785001700. Its totient is φ = 26808651520.

The previous prime is 53736985381. The next prime is 53736985457. The reversal of 53736985418 is 81458963735.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53479800049 + 257185369 = 231257^2 + 16037^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29919473 + ... + 29921268.

Almost surely, 2^53736985418 is an apocalyptic number.

53736985418 is a deficient number, since it is larger than the sum of its proper divisors (27048016282).

53736985418 is a wasteful number, since it uses less digits than its factorization.

53736985418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59841192.

The product of its digits is 21772800, while the sum is 59.

The spelling of 53736985418 in words is "fifty-three billion, seven hundred thirty-six million, nine hundred eighty-five thousand, four hundred eighteen".