550359603605855 has 16 divisors (see below), whose sum is σ = 670104798150720. Its totient is φ = 433850117753088.

The previous prime is 550359603605849. The next prime is 550359603605879. The reversal of 550359603605855 is 558506306953055.

It is a cyclic number.

It is not a de Polignac number, because 550359603605855 - 2⁸ = 550359603605599 is a prime.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 550359603605791 and 550359603605800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704864507 + ... + 705644876.

It is an arithmetic number, because the mean of its divisors is an integer number (41881549884420).

Almost surely, 2^{550359603605855} is an apocalyptic number.

550359603605855 is a deficient number, since it is larger than the sum of its proper divisors (119745194544865).

550359603605855 is a wasteful number, since it uses less digits than its factorization.

550359603605855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410510530.

The product of its (nonzero) digits is 364500000, while the sum is 65.

The spelling of 550359603605855 in words is "five hundred fifty trillion, three hundred fifty-nine billion, six hundred three million, six hundred five thousand, eight hundred fifty-five".