53338386718555 has 16 divisors (see below), whose sum is σ = 68067070463520. Its totient is φ = 39985293537792.

The previous prime is 53338386718549. The next prime is 53338386718559. The reversal of 53338386718555 is 55581768383335.

It is a cyclic number.

It is not a de Polignac number, because 53338386718555 - 2¹¹ = 53338386716507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53338386718559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1370090649 + ... + 1370129578.

It is an arithmetic number, because the mean of its divisors is an integer number (4254191903970).

Almost surely, 2^{53338386718555} is an apocalyptic number.

53338386718555 is a deficient number, since it is larger than the sum of its proper divisors (14728683744965).

53338386718555 is a wasteful number, since it uses less digits than its factorization.

53338386718555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740220478.

The product of its digits is 1088640000, while the sum is 70.

The spelling of 53338386718555 in words is "fifty-three trillion, three hundred thirty-eight billion, three hundred eighty-six million, seven hundred eighteen thousand, five hundred fifty-five".