53516139666396 has 48 divisors (see below), whose sum is σ = 136241794378368. Its totient is φ = 16214762804800.

The previous prime is 53516139666349. The next prime is 53516139666397. The reversal of 53516139666396 is 69366693161535.

It is a self number, because there is not a number n which added to its sum of digits gives 53516139666396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53516139666397) 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, 27159735 + ... + 29063438.

It is an arithmetic number, because the mean of its divisors is an integer number (2838370716216).

Almost surely, 2^{53516139666396} is an apocalyptic number.

It is an amenable number.

53516139666396 is an abundant number, since it is smaller than the sum of its proper divisors (82725654711972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53516139666396 is a wasteful number, since it uses less digits than its factorization.

53516139666396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56230402 (or 56230400 counting only the distinct ones).

The product of its digits is 425152800, while the sum is 69.

The spelling of 53516139666396 in words is "fifty-three trillion, five hundred sixteen billion, one hundred thirty-nine million, six hundred sixty-six thousand, three hundred ninety-six".