55616728396 has 6 divisors (see below), whose sum is σ = 97329274700. Its totient is φ = 27808364196.

The previous prime is 55616728393. The next prime is 55616728397. The reversal of 55616728396 is 69382761655.

It is a self number, because there is not a number n which added to its sum of digits gives 55616728396.

It is not an unprimeable number, because it can be changed into a prime (55616728393) by changing a digit.

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 as a sum of consecutive naturals, namely, 6952091046 + ... + 6952091053.

Almost surely, 2^55616728396 is an apocalyptic number.

It is an amenable number.

55616728396 is a deficient number, since it is larger than the sum of its proper divisors (41712546304).

55616728396 is a wasteful number, since it uses less digits than its factorization.

55616728396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13904182103 (or 13904182101 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 58.

The spelling of 55616728396 in words is "fifty-five billion, six hundred sixteen million, seven hundred twenty-eight thousand, three hundred ninety-six".