55359980582399 has 16 divisors (see below), whose sum is σ = 58031365776384. Its totient is φ = 52751606443200.

The previous prime is 55359980582359. The next prime is 55359980582407. The reversal of 55359980582399 is 99328508995355.

It is a cyclic number.

It is not a de Polignac number, because 55359980582399 - 2⁴⁰ = 54260468954623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55359980582359) 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, 44825042 + ... + 46043504.

It is an arithmetic number, because the mean of its divisors is an integer number (3626960361024).

Almost surely, 2^{55359980582399} is an apocalyptic number.

55359980582399 is a deficient number, since it is larger than the sum of its proper divisors (2671385193985).

55359980582399 is a wasteful number, since it uses less digits than its factorization.

55359980582399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244318.

The product of its (nonzero) digits is 4723920000, while the sum is 80.

The spelling of 55359980582399 in words is "fifty-five trillion, three hundred fifty-nine billion, nine hundred eighty million, five hundred eighty-two thousand, three hundred ninety-nine".